Compare 280115 vs 280121
| Property | 280115 | 280121 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 51 × 112 × 4631 | 2801211 |
| Prime factorization | 5 × 11 × 11 × 463 | 280121 |
| Divisors count | 12 | 2 |
| Divisors | 1, 5, 11, 55, 121, 463, 605, 2315, 5093, 25465, 56023, 280115 | 1, 280121 |
| Number of properties | 0 | 5 |
| Chen primes | 10060th | |
| Isolated primes | 18772nd | |
| Primes | 24443rd | |
| Sophie germain primes | 2703rd | |
| Super primes | 2714th | |
| Roman numberals | ||
| Base 2 | 10001000110001100112 | 10001000110001110012 |
| Base 3 | 1120200201223 | 1120200202123 |
| Base 4 | 10101203034 | 10101203214 |
| Base 5 | 324304305 | 324304415 |
| Base 6 | 100004556 | 100005056 |
| Base 7 | 22444437 | 22444527 |
| Base 8 | 10430638 | 10430718 |
| Base 9 | 4662189 | 4662259 |
| Base 10 | 28011510 | 28012110 |
| Base 11 | 18150011 | 18150611 |
| Base 12 | 11612b12 | 11613512 |
| Base 13 | 9a66413 | 9a66a13 |
| Base 14 | 7412314 | 7412914 |
| Base 15 | 57ee515 | 57eeb15 |
| Base 16 | 4463316 | 4463916 |