Compare 30380 vs 30391
| Property | 30380 | 30391 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 22 × 51 × 72 × 311 | 303911 |
| Prime factorization | 2 × 2 × 5 × 7 × 7 × 31 | 30391 |
| Divisors count | 36 | 2 |
| Divisors | 1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 30380 | 1, 30391 |
| Number of properties | 0 | 4 |
| Happy primes | 540th | |
| Harmonic primes | 1224th | |
| Primes | 3284th | |
| Twin primes (2nd member) | 472nd | |
| Roman numberals | ||
| Base 2 | 1110110101011002 | 1110110101101112 |
| Base 3 | 11122000123 | 11122001213 |
| Base 4 | 131222304 | 131223134 |
| Base 5 | 14330105 | 14330315 |
| Base 6 | 3523526 | 3524116 |
| Base 7 | 1544007 | 1544147 |
| Base 8 | 732548 | 732678 |
| Base 9 | 456059 | 456179 |
| Base 10 | 3038010 | 3039110 |
| Base 11 | 2090911 | 2091911 |
| Base 12 | 156b812 | 1570712 |
| Base 13 | 10a9c13 | 10aaa13 |
| Base 14 | b10014 | b10b14 |
| Base 15 | 900515 | 901115 |
| Base 16 | 76ac16 | 76b716 |