1. Numbers
  2. Compare 13991 vs 13997

Compare 13991 vs 13997

Property1399113997
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization171 × 8231139971
Prime factorization17 × 82313997
Divisors count42
Divisors1, 17, 823, 139911, 13997
Number of properties15
Additive primes 791st
Chen primes 839th
Primes 1651st
Pythagorean primes 818th
Semiprimes3620th 
Twin primes (1st member) 261st
Roman numberals  
Base 2110110101001112110110101011012
Base 320101201232010121023
Base 43122213431222314
Base 542143154214425
Base 614443561444456
Base 7555357555447
Base 8332478332558
Base 9211659211729
Base 1013991101399710
Base 11a56a11a57511
Base 12811b12812512
Base 1364a31364a913
Base 14515514515b14
Base 15422b15423215
Base 1636a71636ad16
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