1. Numbers
  2. Compare 1381 vs 1387

Compare 1381 vs 1387

Property13811387
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization13811191 × 731
Prime factorization138119 × 73
Divisors count24
Divisors1, 13811, 19, 73, 1387
Number of properties71
Additive primes122nd 
Chen primes144th 
Emirps64th 
Isolated primes130th 
Long primes86th 
Primes221st 
Pythagorean primes109th 
Semiprimes 410th
Roman numberalsMCCCLXXXIMCCCLXXXVII
Base 2101011001012101011010112
Base 31220011312201013
Base 411121141112234
Base 5210115210225
Base 6102216102316
Base 74012740217
Base 82545825538
Base 91804918119
Base 10138110138710
Base 11104611105111
Base 129711297712
Base 138231382913
Base 147091471114
Base 156211562715
Base 165651656b16
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