1. Numbers
  2. Compare 21017 vs 21020

Compare 21017 vs 21020

Property2101721020
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization21017122 × 51 × 10511
Prime factorization210172 × 2 × 5 × 1051
Divisors count212
Divisors1, 210171, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 21020
Number of properties160
Additive primes1096th 
Chen primes1164th 
Cousin primes (2nd member)358th 
Long primes898th 
Primes2364th 
Prime quadruplets (3rd member)20th 
Prime quintuplet 2s (3rd member)7th 
Prime triplets (1st member)177th 
Prime triplets (2nd member)176th 
Prime triplets (3rd member)175th 
Pythagorean primes1175th 
Sexy primes (1st member)716th 
Sexy primes (2nd member)714th 
Sexy prime triplets (2nd member)196th 
Twin primes (1st member)359th 
Ulam primes177th 
Roman numberals  
Base 210100100001100121010010000111002
Base 31001211102310012111123
Base 4110201214110201304
Base 51133032511330405
Base 624114562411526
Base 711516371151667
Base 8510318510348
Base 9317429317459
Base 1021017102102010
Base 1114877111487a11
Base 12101b512101b812
Base 13974913974c13
Base 14793314793614
Base 15636215636515
Base 16521916521c16
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