Compare 1220 vs 1231
Property | 1220 | 1231 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 4 | 1 |
Prime factorization | 22 × 51 × 611 | 12311 |
Prime factorization | 2 × 2 × 5 × 61 | 1231 |
Divisors count | 12 | 2 |
Divisors | 1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220 | 1, 1231 |
Number of properties | 0 | 6 |
Additive primes | 108th | |
Emirps | 56th | |
Lucky primes | 52nd | |
Primes | 202nd | |
Sexy primes (1st member) | 88th | |
Twin primes (2nd member) | 42nd | |
Roman numberals | MCCXX | MCCXXXI |
Base 2 | 100110001002 | 100110011112 |
Base 3 | 12000123 | 12001213 |
Base 4 | 1030104 | 1030334 |
Base 5 | 143405 | 144115 |
Base 6 | 53526 | 54116 |
Base 7 | 33627 | 34067 |
Base 8 | 23048 | 23178 |
Base 9 | 16059 | 16179 |
Base 10 | 122010 | 123110 |
Base 11 | a0a11 | a1a11 |
Base 12 | 85812 | 86712 |
Base 13 | 72b13 | 73913 |
Base 14 | 63214 | 63d14 |
Base 15 | 56515 | 57115 |
Base 16 | 4c416 | 4cf16 |