1. Numbers
  2. Compare 12821 vs 12831

Compare 12821 vs 12831

Property1282112831
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization12821131 × 71 × 131 × 471
Prime factorization128213 × 7 × 13 × 47
Divisors count216
Divisors1, 128211, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1833, 4277, 12831
Number of properties80
Chen primes776th 
Harmonic primes547th 
Long primes594th 
Palindromic primes28th 
Primes1528th 
Pythagorean primes757th 
Sophie germain primes232nd 
Twin primes (1st member)245th 
Roman numberals  
Base 2110010000101012110010000111112
Base 312212021231221210203
Base 43020111430201334
Base 540224154023115
Base 613520561352236
Base 7522447522607
Base 8310258310378
Base 9185259185369
Base 1012821101283110
Base 1196a611970511
Base 12750512751312
Base 135ab3135ac013
Base 14495b14496714
Base 153beb153c0615
Base 16321516321f16
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