Compare 21283 vs 21291
Property | 21283 | 21291 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 3 |
Prime factorization | 212831 | 31 × 471 × 1511 |
Prime factorization | 21283 | 3 × 47 × 151 |
Divisors count | 2 | 8 |
Divisors | 1, 21283 | 1, 3, 47, 141, 151, 453, 7097, 21291 |
Number of properties | 5 | 0 |
Happy primes | 395th | |
Isolated primes | 1670th | |
Left-truncatable primes | 170th | |
Primes | 2391st | |
Sexy primes (2nd member) | 724th | |
Roman numberals | ||
Base 2 | 1010011001000112 | 1010011001010112 |
Base 3 | 10020120213 | 10020121203 |
Base 4 | 110302034 | 110302234 |
Base 5 | 11401135 | 11401315 |
Base 6 | 2423116 | 2423236 |
Base 7 | 1160237 | 1160347 |
Base 8 | 514438 | 514538 |
Base 9 | 321679 | 321769 |
Base 10 | 2128310 | 2129110 |
Base 11 | 14a9911 | 14aa611 |
Base 12 | 1039712 | 103a312 |
Base 13 | 98c213 | 98ca13 |
Base 14 | 7a8314 | 7a8b14 |
Base 15 | 648d15 | 649615 |
Base 16 | 532316 | 532b16 |