Compare 642400 vs 642407
| Property | 642400 | 642407 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 9 | 1 |
| Prime factorization | 25 × 52 × 111 × 731 | 6424071 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 5 × 5 × 11 × 73 | 642407 |
| Divisors count | 72 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 73, 80, 88, 100, 110, 146, 160, 176, 200, 220, 275, 292, 352, 365, 400, 440, 550, 584, 730, 800, 803, 880, 1100, 1168, 1460, 1606, 1760, 1825, 2200, 2336, 2920, 3212, 3650, 4015, 4400, 5840, 6424, 7300, 8030, 8800, 11680, 12848, 14600, 16060, 20075, 25696, 29200, 32120, 40150, 58400, 64240, 80300, 128480, 160600, 321200, 642400 | 1, 642407 |
| Number of properties | 0 | 6 |
| Additive primes | 20422nd | |
| Chen primes | 20437th | |
| Cousin primes (2nd member) | 5643rd | |
| Isolated primes | 40949th | |
| Primes | 52250th | |
| Safe primes | 3025th | |
| Roman numberals | ||
| Base 2 | 100111001101011000002 | 100111001101011001112 |
| Base 3 | 10121220121213 | 10121220122123 |
| Base 4 | 21303112004 | 21303112134 |
| Base 5 | 1310241005 | 1310241125 |
| Base 6 | 214340246 | 214340356 |
| Base 7 | 53136137 | 53136237 |
| Base 8 | 23465408 | 23465478 |
| Base 9 | 11781779 | 11781859 |
| Base 10 | 64240010 | 64240710 |
| Base 11 | 3a971011 | 3a971711 |
| Base 12 | 26b91412 | 26b91b12 |
| Base 13 | 19652513 | 19652c13 |
| Base 14 | 12a17a14 | 12a18314 |
| Base 15 | ca51a15 | ca52215 |
| Base 16 | 9cd6016 | 9cd6716 |