Browse numbers
A representative set of numbers, each with computed mathematical properties and, where genuinely sourced, historical and cultural significance.
2025
Composite · Perfect square
2182
Composite · Deficient number
2560
Composite · Abundant number
2707
Prime · Deficient number
3440
Composite · Abundant number
3,600
Composite · Perfect square
4004
Composite · Palindromic number
4472
Composite · Abundant number
4840
Composite · Abundant number
5,040
Composite · Abundant number
5194
Composite · Deficient number
6080
Composite · Abundant number
6229
Prime · Deficient number
6502
Composite · Deficient number
6699
Composite · Deficient number
7090
Composite · Deficient number
8008
Composite · Palindromic number
8027
Composite · Deficient number
8086
Composite · Deficient number
8088
Composite · Abundant number
8,128
Composite · Triangular number
8167
Prime · Deficient number
25,400
Composite · Abundant number
42,195
Composite · Triangular number
60,103
Prime · Deficient number
60,163
Composite · Deficient number
68,000
Composite · Abundant number
71,000
Composite · Abundant number
74,181
Composite · Deficient number
92,220
Composite · Abundant number
141,421
Composite · Deficient number
524,287
Prime · Deficient number
1,609,344
Composite · Abundant number
33,550,336
Composite · Triangular number
45,359,237
Composite · Deficient number
299,792,458
Composite · Deficient number
662,607,015
Composite · Deficient number
2,147,483,647
Prime · Deficient number
9,192,631,770
Composite · Abundant number
149,597,870,700
Composite · Abundant number