1. Numbers
  2. Compare 72213 vs 72221

Compare 72213 vs 72221

Property7221372221
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization31 × 240711722211
Prime factorization3 × 2407172221
Divisors count42
Divisors1, 3, 24071, 722131, 72221
Number of properties110
Chen primes 3259th
Emirps 1053rd
Harmonic primes 2700th
Long primes 2720th
Primes 7147th
Prime quadruplets (1st member) 31st
Prime triplets (1st member) 395th
Pythagorean primes 3559th
Semiprimes17169th 
Sexy primes (1st member) 1877th
Twin primes (1st member) 935th
Roman numberals  
Base 2100011010000101012100011010000111012
Base 3102000011203102000012123
Base 410122011141012201314
Base 54302323543023415
Base 61314153613142056
Base 742035174203627
Base 821502582150358
Base 912004691200559
Base 1072213107222110
Base 114a289114a29611
Base 1235959123596512
Base 1326b3b1326b4613
Base 141c461141c46914
Base 15165e315165eb15
Base 1611a151611a1d16
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