1 
Euclid 
4,220 

2 
Natural number 
4,197 

3 
Factorial 
3,675 

4 
Fermat's Last Theorem 
3,327 

5 
Number theory 
2,459 

6 
Euler's totient function 
1,003 

7 
Coprime 
964 

8 
Collatz conjecture 
934 

9 
Square (algebra) 
804 

10 
Fundamental theorem of arithmetic 
661 

11 
Partition (number theory) 
600 

12 
Cube (algebra) 
574 

13 
Remainder 
563 

14 
Bernoulli number 
556 

15 
List of mathematical functions 
453 

16 
Algebraic number 
439 

17 
Padic number 
427 

18 
Amicable number 
407 

19 
Birch and SwinnertonDyer conjecture 
382 

20 
Wiles' proof of Fermat's Last Theorem 
361 

21 
Fermat number 
322 

22 
Divisor function 
298 

23 
Basel problem 
281 

24 
Harmonic number 
280 

25 
Quadratic reciprocity 
247 

26 
Egyptian fraction 
237 

27 
Skewes' number 
225 

28 
Langlands program 
223 

29 
Abc conjecture 
198 

30 
Analytic number theory 
189 

31 
Normal number 
188 

32 
Unique factorization domain 
180 

33 
Taxicab number 
179 

34 
Digital root 
172 

35 
Integer square root 
157 

36 
Euclid's lemma 
149 

37 
Champernowne constant 
144 

38 
Disquisitiones Arithmeticae 
132 

39 
Beal's conjecture 
124 

40 
Linear congruence theorem 
122 

41 
Coin problem 
120 

42 
Primon gas 
118 

43 
Bertrand's postulate 
116 

44 
Farey sequence 
116 

45 
Squarefree integer 
113 

46 
Proofs of Fermat's little theorem 
111 

47 
Diophantine approximation 
109 

48 
Automorphic form 
105 

49 
Lychrel number 
103 

50 
Cyclic number 
103 

51 
List of number theory topics 
101 

52 
Lindemann–Weierstrass theorem 
97 

53 
Golomb ruler 
96 

54 
Natural density 
95 

55 
Formulas for generating Pythagorean triples 
93 

56 
Ramanujan's sum 
92 

57 
Weil conjectures 
89 

58 
Digit sum 
82 

59 
Composition (number theory) 
80 

60 
Euler's rule 
77 

61 
Bernoulli polynomials 
76 

62 
Cyclotomic polynomial 
74 

63 
Fourth power 
72 

64 
Catalan's conjecture 
70 

65 
Supernatural numbers 
69 

66 
Friendly number 
68 

67 
Euler's sum of powers conjecture 
66 

68 
Computational number theory 
66 

69 
Ducci sequence 
66 

70 
Zeckendorf's theorem 
64 

71 
Padic analysis 
63 

72 
Upper halfplane 
61 

73 
Sierpinski number 
59 

74 
Quadratic irrational 
59 

75 
Congruent number 
59 

76 
Euler product 
58 

77 
Perfect power 
58 

78 
Qanalog 
55 

79 
Changemaking problem 
52 

80 
Harmonic divisor number 
51 

81 
Ribet's theorem 
51 

82 
Lagrange's theorem (number theory) 
50 

83 
Ideal number 
49 

84 
Schanuel's conjecture 
47 

85 
Stern–Brocot tree 
47 

86 
Quadratic integer 
46 

87 
Pairwise coprime 
45 

88 
Persistence of a number 
43 

89 
Schoof's algorithm 
43 

90 
Arithmetic derivative 
42 

91 
Proof of Fermat's Last Theorem for specific exponents 
42 

92 
Bonse's inequality 
41 

93 
Faltings' theorem 
40 

94 
Radical of an integer 
40 

95 
Lucas' theorem 
39 

96 
Mertens conjecture 
38 

97 
Generalized taxicab number 
37 

98 
Greedy algorithm for Egyptian fractions 
37 

99 
Vieta jumping 
37 

100 
Hilbert's irreducibility theorem 
36 

101 
Euler function 
36 

102 
Sylvester's sequence 
36 

103 
Proth number 
36 

104 
Squared triangular number 
36 

105 
Möbius transform 
34 

106 
Erdős–Kac theorem 
32 

107 
Ostrowski's theorem 
31 

108 
ABC@Home 
31 

109 
Hasse–Minkowski theorem 
30 

110 
Arithmetic topology 
30 

111 
Pentagonal number theorem 
29 

112 
Taufunction 
29 

113 
Auxiliary function 
29 

114 
Local analysis 
28 

115 
Character group 
28 

116 
Singmaster's conjecture 
28 

117 
NFS@Home 
28 

118 
Jacobi triple product 
27 

119 
QPochhammer symbol 
27 

120 
NFSNet 
26 

121 
Paley graph 
26 

122 
Dedekind sum 
25 

123 
Hecke character 
25 

124 
Barnes Gfunction 
24 

125 
Postage stamp problem 
24 

126 
Lonely runner conjecture 
24 

127 
Sociable number 
23 

128 
Znám's problem 
23 

129 
Prouhet–Thue–Morse constant 
22 

130 
Lehmer's conjecture 
21 

131 
Quartic reciprocity 
21 

132 
Weil–Châtelet group 
20 

133 
Probabilistic number theory 
20 

134 
Efunction 
19 

135 
Goormaghtigh conjecture 
19 

136 
Multiplicative partition 
19 

137 
Hasse's theorem on elliptic curves 
18 

138 
Elkies trinomial curves 
18 

139 
Zsigmondy's theorem 
18 

140 
Erdős–Graham problem 
18 

141 
Legendre relation 
18 

142 
Padic order 
18 

143 
Cabtaxi number 
17 

144 
Covering system 
17 

145 
Abouabdillah's theorem 
17 

146 
Jacobi's foursquare theorem 
17 

147 
Tijdeman's theorem 
17 

148 
Vinogradov's theorem 
17 

149 
Unitary divisor 
17 

150 
Diophantus II.VIII 
17 

151 
Order (number theory) 
17 

152 
Prime geodesic 
16 

153 
Mirimanoff's congruence 
16 

154 
Néron model 
16 

155 
Linear forms in logarithms 
15 

156 
Størmer's theorem 
15 

157 
Brocard's problem 
15 

158 
Knödel number 
15 

159 
Vorlesungen über Zahlentheorie 
14 

160 
Cunningham project 
14 

161 
Ramanujan's congruences 
14 

162 
Morton number (number theory) 
14 

163 
Random Fibonacci sequence 
13 

164 
Prime signature 
13 

165 
Quote notation 
13 

166 
Ax–Kochen theorem 
13 

167 
Poussin proof 
13 

168 
Journal of Number Theory 
13 

169 
Abel's summation formula 
13 

170 
Semistable abelian variety 
12 

171 
Abelian variety of CMtype 
12 

172 
Covering set 
12 

173 
Primefree sequence 
12 

174 
Zolotarev's lemma 
12 

175 
Niven's constant 
12 

176 
Overconvergent modular form 
12 

177 
QVandermonde identity 
12 

178 
Fermat–Catalan conjecture 
12 

179 
Theta function of a lattice 
12 

180 
Perfect digittodigit invariant 
12 

181 
Eta function 
11 

182 
Integervalued polynomial 
11 

183 
Chowla–Selberg formula 
11 

184 
Grothendieck–Katz pcurvature conjecture 
11 

185 
Marshall Hall's conjecture 
11 

186 
Prosolvable group 
11 

187 
Schnorr group 
10 

188 
De Polignac's formula 
10 

189 
Fermat quotient 
10 

190 
Schoof–Elkies–Atkin algorithm 
10 

191 
Strict differentiability 
10 

192 
Schwartz–Bruhat function 
10 

193 
Jacobi–Madden equation 
10 

194 
Stoneham number 
9 

195 
Elliptic divisibility sequence 
9 

196 
Sophie Germain's theorem 
9 

197 
Feit–Thompson conjecture 
9 

198 
Beaver bitvector decision procedure 
9 

199 
Jordan's totient function 
9 

200 
Arithmetic variety 
9 

201 
Amenable number 
8 

202 
Tate twist 
8 

203 
Tunnell's theorem 
8 

204 
Artin–Hasse exponential 
8 

205 
Sidon sequence 
8 

206 
Aurifeuillian factorization 
8 

207 
Eisenstein's theorem 
7 

208 
Thâbit ibn Kurrah rule 
7 

209 
Residue classwise affine group 
7 

210 
Néron–Tate height 
7 

211 
Tate's algorithm 
7 

212 
Glaisher–Kinkelin constant 
6 

213 
Proof of weak Scholz conjecture 
6 

214 
Height of a polynomial 
6 

215 
Prouhet–Tarry–Escott problem 
6 

216 
Timeline of number theory 
6 

217 
Büchi's Problem 
6 

218 
Von Staudt–Clausen theorem 
less than 5 views 

219 
Holonomic constant 
less than 5 views 

220 
Szpiro's conjecture 
less than 5 views 

221 
Landsberg–Schaar relation 
less than 5 views 

222 
Sparse ruler 
less than 5 views 

223 
Sumfree sequence 
less than 5 views 

224 
Mathematical functions 
less than 5 views 

225 
Number theory topics 
less than 5 views 

226 
Turán–Kubilius inequality 
less than 5 views 

227 
Wiener–Ikehara theorem 
less than 5 views 

228 
Smarandache function 
less than 5 views 

229 
Multiplicative digital root 
less than 5 views 

230 
Number Theory Foundation 
less than 5 views 

231 
Cunningham number 
less than 5 views 

232 
Types of functions 
less than 5 views 

233 
Erdős–Fuchs theorem 
less than 5 views 

234 
Krasner's lemma 
less than 5 views 

235 
Haran's diamond theorem 
less than 5 views 

236 
Recreational number theory topics 
less than 5 views 
