1. Numbers
  2. Compare 21013 vs 21020

Compare 21013 vs 21020

Property2101321020
Typeprimecomposite number
Unique factors13
Total factors14
Prime factorization21013122 × 51 × 10511
Prime factorization210132 × 2 × 5 × 1051
Divisors count212
Divisors1, 210131, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 21020
Number of properties130
Additive primes1095th 
Centered square primes37th 
Cousin primes (1st member)358th 
Harmonic primes868th 
Lucky primes384th 
Primes2363rd 
Prime quadruplets (2nd member)20th 
Prime quintuplet 2s (2nd member)7th 
Prime triplets (1st member)176th 
Prime triplets (2nd member)175th 
Pythagorean primes1174th 
Sexy primes (1st member)715th 
Twin primes (2nd member)358th 
Roman numberals  
Base 210100100001010121010010000111002
Base 31001211021310012111123
Base 4110201114110201304
Base 51133023511330405
Base 624114162411526
Base 711515671151667
Base 8510258510348
Base 9317379317459
Base 1021013102102010
Base 1114873111487a11
Base 12101b112101b812
Base 13974513974c13
Base 14792d14793614
Base 15635d15636515
Base 16521516521c16
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