1. Numbers
  2. Compare 6661 vs 6672

Compare 6661 vs 6672

Property66616672
Typeprimecomposite number
Unique factors13
Total factors16
Prime factorization6661124 × 31 × 1391
Prime factorization66612 × 2 × 2 × 2 × 3 × 139
Divisors count220
Divisors1, 66611, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3336, 6672
Number of properties110
Additive primes428th 
Centered decagonal primes23rd 
Chen primes469th 
Happy primes147th 
Harmonic primes312th 
Long primes329th 
Lucky primes160th 
Primes859th 
Pythagorean primes423rd 
Super primes149th 
Twin primes (2nd member)153rd 
Roman numberals  
Base 21101000000101211010000100002
Base 310001020131000110103
Base 41220011412201004
Base 520312152031425
Base 6505016505206
Base 7252647253117
Base 8150058150208
Base 9101219101339
Base 10666110667210
Base 11500611501611
Base 123a31123a4012
Base 13305513306313
Base 1425db14260814
Base 151e91151e9c15
Base 161a05161a1016
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