Compare 247381 vs 248641
| Property | 247381 | 248641 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2473811 | 2486411 |
| Prime factorization | 247381 | 248641 |
| Divisors count | 2 | 2 |
| Divisors | 1, 247381 | 1, 248641 |
| Number of properties | 4 | 5 |
| Harmonic primes | 8190th | |
| Isolated primes | 16696th | |
| Long primes | 8170th | |
| Lucky primes | 2731st | 2741st |
| Primes | 21823rd | 21934th |
| Twin primes (2nd member) | 2579th | |
| Ulam primes | 1572nd | |
| Roman numberals | ||
| Base 2 | 1111000110010101012 | 1111001011010000012 |
| Base 3 | 1101201000213 | 1101220012213 |
| Base 4 | 3301211114 | 3302310014 |
| Base 5 | 304040115 | 304240315 |
| Base 6 | 51451416 | 51550416 |
| Base 7 | 20501417 | 20536217 |
| Base 8 | 7431258 | 7455018 |
| Base 9 | 4163079 | 4180579 |
| Base 10 | 24738110 | 24864110 |
| Base 11 | 15995211 | 15a89811 |
| Base 12 | bb1b112 | bba8112 |
| Base 13 | 887a413 | 8923313 |
| Base 14 | 6622114 | 6688114 |
| Base 15 | 4d47115 | 4da1115 |
| Base 16 | 3c65516 | 3cb4116 |