Compare 101215 vs 101221
| Property | 101215 | 101221 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 311 × 6531 | 1012211 |
| Prime factorization | 5 × 31 × 653 | 101221 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 31, 155, 653, 3265, 20243, 101215 | 1, 101221 |
| Number of properties | 0 | 5 |
| Additive primes | 3939th | |
| Isolated primes | 7229th | |
| Long primes | 3650th | |
| Primes | 9696th | |
| Pythagorean primes | 4837th | |
| Roman numberals | ||
| Base 2 | 110001011010111112 | 110001011011001012 |
| Base 3 | 120102112013 | 120102112213 |
| Base 4 | 1202311334 | 1202312114 |
| Base 5 | 112143305 | 112143415 |
| Base 6 | 21003316 | 21003416 |
| Base 7 | 6010427 | 6010517 |
| Base 8 | 3055378 | 3055458 |
| Base 9 | 1637519 | 1637579 |
| Base 10 | 10121510 | 10122110 |
| Base 11 | 6a05411 | 6a05a11 |
| Base 12 | 4a6a712 | 4a6b112 |
| Base 13 | 370ba13 | 370c313 |
| Base 14 | 28c5914 | 28c6114 |
| Base 15 | 1eeca15 | 1eed115 |
| Base 16 | 18b5f16 | 18b6516 |