1. Numbers
  2. Compare 19991 vs 19992

Compare 19991 vs 19992

Property1999119992
Typeprimecomposite number
Unique factors14
Total factors17
Prime factorization19991123 × 31 × 72 × 171
Prime factorization199912 × 2 × 2 × 3 × 7 × 7 × 17
Divisors count248
Divisors1, 199911, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 147, 168, 196, 204, 238, 294, 357, 392, 408, 476, 588, 714, 833, 952, 1176, 1428, 1666, 2499, 2856, 3332, 4998, 6664, 9996, 19992
Number of properties90
Additive primes1049th 
Chen primes1111th 
Harmonic primes820th 
Palindromic primes46th 
Primes2260th 
Prime triplets (1st member)168th 
Sexy primes (1st member)693rd 
Sophie germain primes326th 
Twin primes (1st member)342nd 
Roman numberals  
Base 210011100001011121001110000110002
Base 31000102102310001021103
Base 4103201134103201204
Base 51114431511144325
Base 623231562323206
Base 711216671122007
Base 8470278470308
Base 9303729303739
Base 1019991101999210
Base 1114024111402511
Base 12b69b12b6a012
Base 13913a13913b13
Base 1473dd14740014
Base 155dcb155dcc15
Base 164e17164e1816
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