Compare 20815 vs 20820
| Property | 20815 | 20820 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 3 | 5 |
| Prime factorization | 51 × 231 × 1811 | 22 × 31 × 51 × 3471 |
| Prime factorization | 5 × 23 × 181 | 2 × 2 × 3 × 5 × 347 |
| Divisors count | 8 | 24 |
| Divisors | 1, 5, 23, 115, 181, 905, 4163, 20815 | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 694, 1041, 1388, 1735, 2082, 3470, 4164, 5205, 6940, 10410, 20820 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010001010011112 | 1010001010101002 |
| Base 3 | 10011122213 | 10011200103 |
| Base 4 | 110110334 | 110111104 |
| Base 5 | 11312305 | 11312405 |
| Base 6 | 2402116 | 2402206 |
| Base 7 | 1144547 | 1144627 |
| Base 8 | 505178 | 505248 |
| Base 9 | 314879 | 315039 |
| Base 10 | 2081510 | 2082010 |
| Base 11 | 1470311 | 1470811 |
| Base 12 | 1006712 | 1007012 |
| Base 13 | 962213 | 962713 |
| Base 14 | 782b14 | 783214 |
| Base 15 | 627a15 | 628015 |
| Base 16 | 514f16 | 515416 |