Compare 16380 vs 16381
| Property | 16380 | 16381 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 5 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 22 × 32 × 51 × 71 × 131 | 163811 |
| Prime factorization | 2 × 2 × 3 × 3 × 5 × 7 × 13 | 16381 |
| Divisors count | 72 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380 | 1, 16381 |
| Number of properties | 0 | 8 |
| Additive primes | 904th | |
| Centered square primes | 33rd | |
| Centered triangular primes | 25th | |
| Isolated primes | 1321st | |
| Lucky primes | 312th | |
| Primes | 1900th | |
| Pythagorean primes | 941st | |
| Solinas primes | 85th | |
| Roman numberals | ||
| Base 2 | 111111111111002 | 111111111111012 |
| Base 3 | 2111102003 | 2111102013 |
| Base 4 | 33333304 | 33333314 |
| Base 5 | 10110105 | 10110115 |
| Base 6 | 2035006 | 2035016 |
| Base 7 | 655207 | 655217 |
| Base 8 | 377748 | 377758 |
| Base 9 | 244209 | 244219 |
| Base 10 | 1638010 | 1638110 |
| Base 11 | 1134111 | 1134211 |
| Base 12 | 959012 | 959112 |
| Base 13 | 75c013 | 75c113 |
| Base 14 | 5d8014 | 5d8114 |
| Base 15 | 4cc015 | 4cc115 |
| Base 16 | 3ffc16 | 3ffd16 |