1. Numbers
  2. Compare 21007 vs 21013

Compare 21007 vs 21013

Property2100721013
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization71 × 30011210131
Prime factorization7 × 300121013
Divisors count42
Divisors1, 7, 3001, 210071, 21013
Number of properties113
Additive primes 1095th
Centered square primes 37th
Cousin primes (1st member) 358th
Harmonic primes 868th
Lucky primes 384th
Primes 2363rd
Prime quadruplets (2nd member) 20th
Prime quintuplet 2s (2nd member) 7th
Prime triplets (1st member) 176th
Prime triplets (2nd member) 175th
Pythagorean primes 1174th
Semiprimes5331st 
Sexy primes (1st member) 715th
Twin primes (2nd member) 358th
Roman numberals  
Base 210100100000111121010010000101012
Base 31001211001310012110213
Base 4110200334110201114
Base 51133012511330235
Base 624113162411416
Base 711515071151567
Base 8510178510258
Base 9317319317379
Base 1021007102101310
Base 1114868111487311
Base 12101a712101b112
Base 13973c13974513
Base 14792714792d14
Base 15635715635d15
Base 16520f16521516
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