Compare 20978 vs 20983
| Property | 20978 | 20983 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 171 × 6171 | 209831 |
| Prime factorization | 2 × 17 × 617 | 20983 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 17, 34, 617, 1234, 10489, 20978 | 1, 20983 |
| Number of properties | 0 | 4 |
| Harmonic primes | 866th | |
| Long primes | 896th | |
| Primes | 2360th | |
| Twin primes (2nd member) | 357th | |
| Roman numberals | ||
| Base 2 | 1010001111100102 | 1010001111101112 |
| Base 3 | 10012022223 | 10012100113 |
| Base 4 | 110133024 | 110133134 |
| Base 5 | 11324035 | 11324135 |
| Base 6 | 2410426 | 2410516 |
| Base 7 | 1151067 | 1151147 |
| Base 8 | 507628 | 507678 |
| Base 9 | 316889 | 317049 |
| Base 10 | 2097810 | 2098310 |
| Base 11 | 1484111 | 1484611 |
| Base 12 | 1018212 | 1018712 |
| Base 13 | 971913 | 972113 |
| Base 14 | 790614 | 790b14 |
| Base 15 | 633815 | 633d15 |
| Base 16 | 51f216 | 51f716 |