1. Numbers
  2. Compare 21377 vs 21378

Compare 21377 vs 21378

Property2137721378
Typeprimecomposite number
Unique factors14
Total factors14
Prime factorization21377121 × 31 × 71 × 5091
Prime factorization213772 × 3 × 7 × 509
Divisors count216
Divisors1, 213771, 2, 3, 6, 7, 14, 21, 42, 509, 1018, 1527, 3054, 3563, 7126, 10689, 21378
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 210100111000000121010011100000102
Base 31002022202310020222103
Base 4110320014110320024
Base 51141002511410035
Base 624254562425506
Base 711621671162207
Base 8516018516028
Base 9322829322839
Base 1021377102137810
Base 1115074111507511
Base 1210455121045612
Base 13996513996613
Base 147b0d147b1014
Base 15650215650315
Base 16538116538216
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