1. Numbers
  2. Compare 19991 vs 20003

Compare 19991 vs 20003

Property1999120003
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization199911831 × 2411
Prime factorization1999183 × 241
Divisors count24
Divisors1, 199911, 83, 241, 20003
Number of properties91
Additive primes1049th 
Chen primes1111th 
Harmonic primes820th 
Palindromic primes46th 
Primes2260th 
Prime triplets (1st member)168th 
Semiprimes 5082nd
Sexy primes (1st member)693rd 
Sophie germain primes326th 
Twin primes (1st member)342nd 
Roman numberals  
Base 210011100001011121001110001000112
Base 31000102102310001022123
Base 4103201134103202034
Base 51114431511200035
Base 623231562323356
Base 711216671122147
Base 8470278470438
Base 9303729303859
Base 1019991102000310
Base 1114024111403511
Base 12b69b12b6ab12
Base 13913a13914913
Base 1473dd14740b14
Base 155dcb155dd815
Base 164e17164e2316
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