1. Numbers
  2. Compare 21377 vs 21385

Compare 21377 vs 21385

Property2137721385
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization21377151 × 71 × 131 × 471
Prime factorization213775 × 7 × 13 × 47
Divisors count216
Divisors1, 213771, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 4277, 21385
Number of properties80
Chen primes1177th 
Good primes268th 
Long primes909th 
Primes2398th 
Prime triplets (1st member)181st 
Pythagorean primes1190th 
Sexy primes (1st member)728th 
Twin primes (1st member)363rd 
Roman numberals  
Base 210100111000000121010011100010012
Base 31002022202310021000013
Base 4110320014110320214
Base 51141002511410205
Base 624254562430016
Base 711621671162307
Base 8516018516118
Base 9322829323019
Base 1021377102138510
Base 1115074111508111
Base 1210455121046112
Base 13996513997013
Base 147b0d147b1714
Base 15650215650a15
Base 16538116538916
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