1. Numbers
  2. Compare 21013 vs 21018

Compare 21013 vs 21018

Property2101321018
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization21013121 × 31 × 311 × 1131
Prime factorization210132 × 3 × 31 × 113
Divisors count216
Divisors1, 210131, 2, 3, 6, 31, 62, 93, 113, 186, 226, 339, 678, 3503, 7006, 10509, 21018
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 210100100001010121010010000110102
Base 31001211021310012111103
Base 4110201114110201224
Base 51133023511330335
Base 624114162411506
Base 711515671151647
Base 8510258510328
Base 9317379317439
Base 1021013102101810
Base 1114873111487811
Base 12101b112101b612
Base 13974513974a13
Base 14792d14793414
Base 15635d15636315
Base 16521516521a16
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