1. Numbers
  2. Compare 3121 vs 3128

Compare 3121 vs 3128

Property31213128
Typeprimecomposite number
Unique factors13
Total factors15
Prime factorization3121123 × 171 × 231
Prime factorization31212 × 2 × 2 × 17 × 23
Divisors count216
Divisors1, 31211, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128
Number of properties70
Additive primes228th 
Centered square primes19th 
Emirps105th 
Lucky primes94th 
Primes445th 
Pythagorean primes219th 
Twin primes (2nd member)83rd 
Roman numberalsMMMCXXIMMMCXXVIII
Base 211000011000121100001110002
Base 3110211213110212123
Base 430030143003204
Base 54444151000035
Base 6222416222526
Base 7120467120567
Base 86061860708
Base 94247942559
Base 10312110312810
Base 11238811239411
Base 12198112198812
Base 13156113156813
Base 1411cd1411d614
Base 15dd115dd815
Base 16c3116c3816
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