1. Numbers
  2. Compare 20479 vs 21139

Compare 20479 vs 21139

Property2047921139
Typeprimeprime
Unique factors11
Total factors11
Prime factorization204791211391
Prime factorization2047921139
Divisors count22
Divisors1, 204791, 21139
Number of properties75
Chen primes1138th 
Cousin primes (1st member)353rd360th
Good primes 266th
Harmonic primes842nd 
Isolated primes 1656th
Lucky primes 385th
Primes2312th2375th
Prime triplets (2nd member)171st 
Solinas primes89th 
Twin primes (2nd member)348th 
Roman numberals  
Base 210011111111111121010010100100112
Base 31001002111310012222213
Base 4103333334110221034
Base 51123404511340245
Base 623445162415116
Base 711346471154267
Base 8477778512238
Base 9310749318879
Base 1020479102113910
Base 1114428111497811
Base 12ba27121029712
Base 13942413981113
Base 14766b1479bd14
Base 1561041563e415
Base 164fff16529316
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