Compare 247649 vs 248641
| Property | 247649 | 248641 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2476491 | 2486411 |
| Prime factorization | 247649 | 248641 |
| Divisors count | 2 | 2 |
| Divisors | 1, 247649 | 1, 248641 |
| Number of properties | 4 | 5 |
| Chen primes | 9043rd | |
| Harmonic primes | 8190th | |
| Lucky primes | 2741st | |
| Primes | 21846th | 21934th |
| Twin primes (1st member) | 2569th | |
| Twin primes (2nd member) | 2579th | |
| Ulam primes | 1563rd | 1572nd |
| Roman numberals | ||
| Base 2 | 1111000111011000012 | 1111001011010000012 |
| Base 3 | 1101202010123 | 1101220012213 |
| Base 4 | 3301312014 | 3302310014 |
| Base 5 | 304110445 | 304240315 |
| Base 6 | 51503056 | 51550416 |
| Base 7 | 20510037 | 20536217 |
| Base 8 | 7435418 | 7455018 |
| Base 9 | 4166359 | 4180579 |
| Base 10 | 24764910 | 24864110 |
| Base 11 | 15a07611 | 15a89811 |
| Base 12 | bb39512 | bba8112 |
| Base 13 | 8894c13 | 8923313 |
| Base 14 | 6637314 | 6688114 |
| Base 15 | 4d59e15 | 4da1115 |
| Base 16 | 3c76116 | 3cb4116 |