Compare 4978 vs 4987
| Property | 4978 | 4987 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 191 × 1311 | 49871 |
| Prime factorization | 2 × 19 × 131 | 4987 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 19, 38, 131, 262, 2489, 4978 | 1, 4987 |
| Number of properties | 0 | 6 |
| Chen primes | 377th | |
| Isolated primes | 416th | |
| Lucky primes | 131st | |
| Primes | 667th | |
| Sexy primes (1st member) | 242nd | |
| Sexy prime triplets (1st member) | 81st | |
| Roman numberals | MMMMCMLXXVIII | MMMMCMLXXXVII |
| Base 2 | 10011011100102 | 10011011110112 |
| Base 3 | 202111013 | 202112013 |
| Base 4 | 10313024 | 10313234 |
| Base 5 | 1244035 | 1244225 |
| Base 6 | 350146 | 350316 |
| Base 7 | 203417 | 203537 |
| Base 8 | 115628 | 115738 |
| Base 9 | 67419 | 67519 |
| Base 10 | 497810 | 498710 |
| Base 11 | 381611 | 382411 |
| Base 12 | 2a6a12 | 2a7712 |
| Base 13 | 235c13 | 236813 |
| Base 14 | 1b5814 | 1b6314 |
| Base 15 | 171d15 | 172715 |
| Base 16 | 137216 | 137b16 |