1. Numbers
  2. Compare 13991 vs 13999

Compare 13991 vs 13999

Property1399113999
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization171 × 8231139991
Prime factorization17 × 82313999
Divisors count42
Divisors1, 17, 823, 139911, 13999
Number of properties13
Additive primes 792nd
Primes 1652nd
Semiprimes3620th 
Twin primes (2nd member) 261st
Roman numberals  
Base 2110110101001112110110101011112
Base 320101201232010121113
Base 43122213431222334
Base 542143154214445
Base 614443561444516
Base 7555357555467
Base 8332478332578
Base 9211659211749
Base 1013991101399910
Base 11a56a11a57711
Base 12811b12812712
Base 1364a31364ab13
Base 14515514515d14
Base 15422b15423415
Base 1636a71636af16
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