Compare 225989 vs 225990
| Property | 225989 | 225990 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 9 |
| Prime factorization | 2259891 | 21 × 36 × 51 × 311 |
| Prime factorization | 225989 | 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 31 |
| Divisors count | 2 | 56 |
| Divisors | 1, 225989 | 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 243, 270, 279, 310, 405, 465, 486, 558, 729, 810, 837, 930, 1215, 1395, 1458, 1674, 2430, 2511, 2790, 3645, 4185, 5022, 7290, 7533, 8370, 12555, 15066, 22599, 25110, 37665, 45198, 75330, 112995, 225990 |
| Number of properties | 6 | 0 |
| Chen primes | 8370th | |
| Harmonic primes | 7564th | |
| Isolated primes | 15333rd | |
| Primes | 20104th | |
| Sexy primes (2nd member) | 4750th | |
| Sexy prime triplets (3rd member) | 945th | |
| Roman numberals | ||
| Base 2 | 1101110010110001012 | 1101110010110001102 |
| Base 3 | 1021102222223 | 1021110000003 |
| Base 4 | 3130230114 | 3130230124 |
| Base 5 | 242124245 | 242124305 |
| Base 6 | 45021256 | 45021306 |
| Base 7 | 16306017 | 16306027 |
| Base 8 | 6713058 | 6713068 |
| Base 9 | 3738889 | 3740009 |
| Base 10 | 22598910 | 22599010 |
| Base 11 | 14487511 | 14487611 |
| Base 12 | aa94512 | aa94612 |
| Base 13 | 7bb2a13 | 7bb2b13 |
| Base 14 | 5c50114 | 5c50214 |
| Base 15 | 46e5e15 | 46e6015 |
| Base 16 | 372c516 | 372c616 |