Compare 20139 vs 20149
| Property | 20139 | 20149 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 31 × 72 × 1371 | 201491 |
| Prime factorization | 3 × 7 × 7 × 137 | 20149 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 20139 | 1, 20149 |
| Number of properties | 0 | 8 |
| Harmonic primes | 828th | |
| Long primes | 872nd | |
| Lucky primes | 371st | |
| Primes | 2280th | |
| Prime triplets (3rd member) | 169th | |
| Pythagorean primes | 1133rd | |
| Sexy primes (2nd member) | 699th | |
| Twin primes (2nd member) | 344th | |
| Roman numberals | ||
| Base 2 | 1001110101010112 | 1001110101101012 |
| Base 3 | 10001212203 | 10001220213 |
| Base 4 | 103222234 | 103223114 |
| Base 5 | 11210245 | 11210445 |
| Base 6 | 2331236 | 2331416 |
| Base 7 | 1125007 | 1125137 |
| Base 8 | 472538 | 472658 |
| Base 9 | 305569 | 305679 |
| Base 10 | 2013910 | 2014910 |
| Base 11 | 1414911 | 1415811 |
| Base 12 | b7a312 | b7b112 |
| Base 13 | 922213 | 922c13 |
| Base 14 | 74a714 | 74b314 |
| Base 15 | 5e7915 | 5e8415 |
| Base 16 | 4eab16 | 4eb516 |