1. Numbers
  2. Compare 1949 vs 1957

Compare 1949 vs 1957

Property19491957
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization19491191 × 1031
Prime factorization194919 × 103
Divisors count24
Divisors1, 19491, 19, 103, 1957
Number of properties81
Additive primes156th 
Chen primes183rd 
Emirps95th 
Harmonic primes110th 
Long primes115th 
Primes296th 
Pythagorean primes144th 
Semiprimes 564th
Twin primes (1st member)60th 
Roman numberalsMCMXLIXMCMLVII
Base 2111100111012111101001012
Base 32200012322001113
Base 413213141322114
Base 5302445303125
Base 6130056130216
Base 75453754647
Base 83635836458
Base 92605926149
Base 10194910195710
Base 11151211151a11
Base 12116512117112
Base 13b6c13b7713
Base 149d3149db14
Base 1589e158a715
Base 1679d167a516
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