1. Numbers
  2. Compare 21377 vs 21387

Compare 21377 vs 21387

Property2137721387
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization21377131 × 71291
Prime factorization213773 × 7129
Divisors count24
Divisors1, 213771, 3, 7129, 21387
Number of properties81
Chen primes1177th 
Good primes268th 
Long primes909th 
Primes2398th 
Prime triplets (1st member)181st 
Pythagorean primes1190th 
Semiprimes 5419th
Sexy primes (1st member)728th 
Twin primes (1st member)363rd 
Roman numberals  
Base 210100111000000121010011100010112
Base 31002022202310021000103
Base 4110320014110320234
Base 51141002511410225
Base 624254562430036
Base 711621671162327
Base 8516018516138
Base 9322829323039
Base 1021377102138710
Base 1115074111508311
Base 1210455121046312
Base 13996513997213
Base 147b0d147b1914
Base 15650215650c15
Base 16538116538b16
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