1. Numbers
  2. Compare 21129 vs 21139

Compare 21129 vs 21139

Property2112921139
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization31 × 70431211391
Prime factorization3 × 704321139
Divisors count42
Divisors1, 3, 7043, 211291, 21139
Number of properties15
Cousin primes (1st member) 360th
Good primes 266th
Isolated primes 1656th
Lucky primes 385th
Primes 2375th
Semiprimes5357th 
Roman numberals  
Base 210100101000100121010010100100112
Base 31001222120310012222213
Base 4110220214110221034
Base 51134004511340245
Base 624145362415116
Base 711541371154267
Base 8512118512238
Base 9318769318879
Base 1021129102113910
Base 1114969111497811
Base 1210289121029712
Base 13980413981113
Base 1479b31479bd14
Base 1563d91563e415
Base 16528916529316
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