Compare 640629 vs 640631
| Property | 640629 | 640631 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 34 × 111 × 7191 | 6406311 |
| Prime factorization | 3 × 3 × 3 × 3 × 11 × 719 | 640631 |
| Divisors count | 20 | 2 |
| Divisors | 1, 3, 9, 11, 27, 33, 81, 99, 297, 719, 891, 2157, 6471, 7909, 19413, 23727, 58239, 71181, 213543, 640629 | 1, 640631 |
| Number of properties | 0 | 3 |
| Isolated primes | 40849th | |
| Primes | 52122nd | |
| Sophie germain primes | 5310th | |
| Roman numberals | ||
| Base 2 | 100111000110011101012 | 100111000110011101112 |
| Base 3 | 10121122100003 | 10121122100023 |
| Base 4 | 21301213114 | 21301213134 |
| Base 5 | 1310000045 | 1310000115 |
| Base 6 | 214215136 | 214215156 |
| Base 7 | 53055037 | 53055057 |
| Base 8 | 23431658 | 23431678 |
| Base 9 | 11757009 | 11757029 |
| Base 10 | 64062910 | 64063110 |
| Base 11 | 3a835011 | 3a835211 |
| Base 12 | 26a89912 | 26a89b12 |
| Base 13 | 19579213 | 19579413 |
| Base 14 | 12967314 | 12967514 |
| Base 15 | c9c3915 | c9c3b15 |
| Base 16 | 9c67516 | 9c67716 |