1. Numbers
  2. Compare 842 vs 853

Compare 842 vs 853

Property842853
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization21 × 42118531
Prime factorization2 × 421853
Divisors count42
Divisors1, 2, 421, 8421, 853
Number of properties19
Cousin primes (1st member) 35th
Good primes 41st
Harmonic primes 55th
Isolated primes 82nd
Left-truncatable primes 47th
Primes 147th
Prime triplets (1st member) 27th
Pythagorean primes 71st
Semiprimes254th 
Sexy primes (1st member) 66th
Roman numberalsDCCCXLIIDCCCLIII
Base 21101001010211010101012
Base 31011012310111213
Base 4310224311114
Base 5113325114035
Base 63522635416
Base 72312723267
Base 81512815258
Base 91135911479
Base 108421085310
Base 116a61170611
Base 125a2125b112
Base 134ca1350813
Base 144421444d14
Base 153b2153bd15
Base 1634a1635516
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