Compare 150981 vs 150991
| Property | 150981 | 150991 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 591 × 8531 | 1509911 |
| Prime factorization | 3 × 59 × 853 | 150991 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 59, 177, 853, 2559, 50327, 150981 | 1, 150991 |
| Number of properties | 0 | 6 |
| Harmonic primes | 5232nd | |
| Lucky primes | 1814th | |
| Primes | 13933rd | |
| Super primes | 1648th | |
| Twin primes (2nd member) | 1711th | |
| Ulam primes | 995th | |
| Roman numberals | ||
| Base 2 | 1001001101110001012 | 1001001101110011112 |
| Base 3 | 212000022203 | 212000100213 |
| Base 4 | 2103130114 | 2103130334 |
| Base 5 | 143124115 | 143124315 |
| Base 6 | 31225536 | 31230116 |
| Base 7 | 11661157 | 11661317 |
| Base 8 | 4467058 | 4467178 |
| Base 9 | 2500869 | 2501079 |
| Base 10 | 15098110 | 15099110 |
| Base 11 | a348611 | a349511 |
| Base 12 | 7345912 | 7346712 |
| Base 13 | 5394c13 | 5395913 |
| Base 14 | 3d04514 | 3d05114 |
| Base 15 | 2eb0615 | 2eb1115 |
| Base 16 | 24dc516 | 24dcf16 |