Compare 640127 vs 640131
| Property | 640127 | 640131 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6401271 | 31 × 3791 × 5631 |
| Prime factorization | 640127 | 3 × 379 × 563 |
| Divisors count | 2 | 8 |
| Divisors | 1, 640127 | 1, 3, 379, 563, 1137, 1689, 213377, 640131 |
| Number of properties | 4 | 0 |
| Isolated primes | 40824th | |
| Primes | 52087th | |
| Safe primes | 3017th | |
| Sexy primes (2nd member) | 11286th | |
| Roman numberals | ||
| Base 2 | 100111000100011111112 | 100111000100100000112 |
| Base 3 | 10121120021023 | 10121120021203 |
| Base 4 | 21301013334 | 21301020034 |
| Base 5 | 1304410025 | 1304410115 |
| Base 6 | 214153156 | 214153236 |
| Base 7 | 53041557 | 53041627 |
| Base 8 | 23421778 | 23422038 |
| Base 9 | 11750729 | 11750769 |
| Base 10 | 64012710 | 64013110 |
| Base 11 | 3a7a3411 | 3a7a3811 |
| Base 12 | 26a53b12 | 26a54312 |
| Base 13 | 19549713 | 19549b13 |
| Base 14 | 1293d514 | 1293d914 |
| Base 15 | c9a0215 | c9a0615 |
| Base 16 | 9c47f16 | 9c48316 |