1. Numbers
  2. Compare 21013 vs 21021

Compare 21013 vs 21021

Property2101321021
Typeprimecomposite number
Unique factors14
Total factors15
Prime factorization21013131 × 72 × 111 × 131
Prime factorization210133 × 7 × 7 × 11 × 13
Divisors count224
Divisors1, 210131, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1617, 1911, 3003, 7007, 21021
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 210100100001010121010010000111012
Base 31001211021310012111203
Base 4110201114110201314
Base 51133023511330415
Base 624114162411536
Base 711515671152007
Base 8510258510358
Base 9317379317469
Base 1021013102102110
Base 1114873111488011
Base 12101b112101b912
Base 13974513975013
Base 14792d14793714
Base 15635d15636615
Base 16521516521d16
This website uses cookies to ensure you get the best experience on our website. More info