1. Numbers
  2. Compare 19979 vs 19989

Compare 19979 vs 19989

Property1997919989
Typeprimecomposite number
Unique factors12
Total factors13
Prime factorization19979132 × 22211
Prime factorization199793 × 3 × 2221
Divisors count26
Divisors1, 199791, 3, 9, 2221, 6663, 19989
Number of properties60
Happy primes376th 
Harmonic primes819th 
Isolated primes1578th 
Long primes864th 
Primes2259th 
Sexy primes (2nd member)692nd 
Roman numberals  
Base 210011100000101121001110000101012
Base 31000101222310001021003
Base 4103200234103201114
Base 51114404511144245
Base 623225562323136
Base 711215171121647
Base 8470138470258
Base 9303589303709
Base 1019979101998910
Base 1114013111402211
Base 12b68b12b69912
Base 13912b13913813
Base 1473d11473db14
Base 155dbe155dc915
Base 164e0b164e1516
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