Compare 121920 vs 121931
| Property | 121920 | 121931 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 9 | 1 |
| Prime factorization | 26 × 31 × 51 × 1271 | 1219311 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 127 | 121931 |
| Divisors count | 56 | 2 |
| Divisors | 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 160, 192, 240, 254, 320, 381, 480, 508, 635, 762, 960, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 4064, 5080, 6096, 7620, 8128, 10160, 12192, 15240, 20320, 24384, 30480, 40640, 60960, 121920 | 1, 121931 |
| Number of properties | 0 | 10 |
| Additive primes | 4719th | |
| Chen primes | 4974th | |
| Emirps | 2256th | |
| Happy primes | 1796th | |
| Harmonic primes | 4336th | |
| Isolated primes | 8589th | |
| Long primes | 4294th | |
| Primes | 11468th | |
| Sexy primes (1st member) | 2867th | |
| Sophie germain primes | 1380th | |
| Roman numberals | ||
| Base 2 | 111011100010000002 | 111011100010010112 |
| Base 3 | 200120201203 | 200120202223 |
| Base 4 | 1313010004 | 1313010234 |
| Base 5 | 124001405 | 124002115 |
| Base 6 | 23402406 | 23402556 |
| Base 7 | 10153117 | 10153257 |
| Base 8 | 3561008 | 3561138 |
| Base 9 | 2052169 | 2052289 |
| Base 10 | 12192010 | 12193110 |
| Base 11 | 8366711 | 8367711 |
| Base 12 | 5a68012 | 5a68b12 |
| Base 13 | 4365613 | 4366413 |
| Base 14 | 3260814 | 3261514 |
| Base 15 | 261d015 | 261db15 |
| Base 16 | 1dc4016 | 1dc4b16 |