Compare 1290 vs 1291
Property | 1290 | 1291 |
---|---|---|
Type | composite number | prime |
Unique factors | 4 | 1 |
Total factors | 4 | 1 |
Prime factorization | 21 × 31 × 51 × 431 | 12911 |
Prime factorization | 2 × 3 × 5 × 43 | 1291 |
Divisors count | 16 | 2 |
Divisors | 1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290 | 1, 1291 |
Number of properties | 0 | 9 |
Additive primes | 113th | |
Chen primes | 137th | |
Harmonic primes | 73rd | |
Long primes | 80th | |
Lucky primes | 54th | |
Primes | 210th | |
Sexy primes (1st member) | 91st | |
Sexy prime triplets (1st member) | 35th | |
Twin primes (2nd member) | 44th | |
Roman numberals | MCCXC | MCCXCI |
Base 2 | 101000010102 | 101000010112 |
Base 3 | 12022103 | 12022113 |
Base 4 | 1100224 | 1100234 |
Base 5 | 201305 | 201315 |
Base 6 | 55506 | 55516 |
Base 7 | 35227 | 35237 |
Base 8 | 24128 | 24138 |
Base 9 | 16839 | 16849 |
Base 10 | 129010 | 129110 |
Base 11 | a7311 | a7411 |
Base 12 | 8b612 | 8b712 |
Base 13 | 78313 | 78413 |
Base 14 | 68214 | 68314 |
Base 15 | 5b015 | 5b115 |
Base 16 | 50a16 | 50b16 |