1. Numbers
  2. Compare 19991 vs 20002

Compare 19991 vs 20002

Property1999120002
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization19991121 × 731 × 1371
Prime factorization199912 × 73 × 137
Divisors count28
Divisors1, 199911, 2, 73, 137, 146, 274, 10001, 20002
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 210011100001011121001110001000102
Base 31000102102310001022113
Base 4103201134103202024
Base 51114431511200025
Base 623231562323346
Base 711216671122137
Base 8470278470428
Base 9303729303849
Base 1019991102000210
Base 1114024111403411
Base 12b69b12b6aa12
Base 13913a13914813
Base 1473dd14740a14
Base 155dcb155dd715
Base 164e17164e2216
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