Compare 30870 vs 30881
| Property | 30870 | 30881 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 21 × 32 × 51 × 73 | 308811 |
| Prime factorization | 2 × 3 × 3 × 5 × 7 × 7 × 7 | 30881 |
| Divisors count | 48 | 2 |
| Divisors | 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 441, 490, 630, 686, 735, 882, 1029, 1470, 1715, 2058, 2205, 3087, 3430, 4410, 5145, 6174, 10290, 15435, 30870 | 1, 30881 |
| Number of properties | 0 | 7 |
| Chen primes | 1592nd | |
| Emirps | 656th | |
| Harmonic primes | 1238th | |
| Isolated primes | 2376th | |
| Primes | 3331st | |
| Pythagorean primes | 1658th | |
| Super primes | 470th | |
| Roman numberals | ||
| Base 2 | 1111000100101102 | 1111000101000012 |
| Base 3 | 11201001003 | 11201002023 |
| Base 4 | 132021124 | 132022014 |
| Base 5 | 14414405 | 14420115 |
| Base 6 | 3545306 | 3545456 |
| Base 7 | 1560007 | 1560147 |
| Base 8 | 742268 | 742418 |
| Base 9 | 463109 | 463229 |
| Base 10 | 3087010 | 3088110 |
| Base 11 | 2121411 | 2122411 |
| Base 12 | 15a4612 | 15a5512 |
| Base 13 | 1108813 | 1109613 |
| Base 14 | b37014 | b37b14 |
| Base 15 | 923015 | 923b15 |
| Base 16 | 789616 | 78a116 |