Compare 130615 vs 130621
| Property | 130615 | 130621 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 1511 × 1731 | 1306211 |
| Prime factorization | 5 × 151 × 173 | 130621 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 151, 173, 755, 865, 26123, 130615 | 1, 130621 |
| Number of properties | 0 | 7 |
| Additive primes | 5039th | |
| Chen primes | 5275th | |
| Emirps | 2483rd | |
| Lucky primes | 1602nd | |
| Primes | 12215th | |
| Pythagorean primes | 6077th | |
| Twin primes (2nd member) | 1522nd | |
| Roman numberals | ||
| Base 2 | 111111110001101112 | 111111110001111012 |
| Base 3 | 201220111213 | 201220112113 |
| Base 4 | 1333203134 | 1333203314 |
| Base 5 | 131344305 | 131344415 |
| Base 6 | 24444116 | 24444216 |
| Base 7 | 10525427 | 10525517 |
| Base 8 | 3770678 | 3770758 |
| Base 9 | 2181479 | 2181549 |
| Base 10 | 13061510 | 13062110 |
| Base 11 | 8a15111 | 8a15711 |
| Base 12 | 6370712 | 6371112 |
| Base 13 | 475b413 | 475ba13 |
| Base 14 | 3585914 | 3586114 |
| Base 15 | 28a7a15 | 28a8115 |
| Base 16 | 1fe3716 | 1fe3d16 |