1. Numbers
  2. Compare 19979 vs 19985

Compare 19979 vs 19985

Property1997919985
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization19979151 × 71 × 5711
Prime factorization199795 × 7 × 571
Divisors count28
Divisors1, 199791, 5, 7, 35, 571, 2855, 3997, 19985
Number of properties60
Happy primes376th 
Harmonic primes819th 
Isolated primes1578th 
Long primes864th 
Primes2259th 
Sexy primes (2nd member)692nd 
Roman numberals  
Base 210011100000101121001110000100012
Base 31000101222310001020123
Base 4103200234103201014
Base 51114404511144205
Base 623225562323056
Base 711215171121607
Base 8470138470218
Base 9303589303659
Base 1019979101998510
Base 1114013111401911
Base 12b68b12b69512
Base 13912b13913413
Base 1473d11473d714
Base 155dbe155dc515
Base 164e0b164e1116
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