1. Numbers
  2. Compare 21305 vs 21317

Compare 21305 vs 21317

Property2130521317
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization51 × 42611213171
Prime factorization5 × 426121317
Divisors count42
Divisors1, 5, 4261, 213051, 21317
Number of properties110
Chen primes 1174th
Cousin primes (2nd member) 362nd
Harmonic primes 877th
Primes 2393rd
Prime triplets (1st member) 180th
Prime triplets (2nd member) 179th
Pythagorean primes 1188th
Semiprimes5399th 
Sexy primes (1st member) 726th
Super primes 356th
Twin primes (1st member) 362nd
Roman numberals  
Base 210100110011100121010011010001012
Base 31002020002310020201123
Base 4110303214110310114
Base 51140210511402325
Base 624234562424056
Base 711605471161027
Base 8514718515058
Base 9322029322159
Base 1021305102131710
Base 1115009111501a11
Base 12103b5121040512
Base 13990b13991a13
Base 147a9b147aa914
Base 1564a51564b215
Base 16533916534516
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