Compare 21997 vs 22000

Property2199722000
Typeprimecomposite number
Unique factors13
Total factors18
Prime factorization21997124 × 53 × 111
Prime factorization219972 × 2 × 2 × 2 × 5 × 5 × 5 × 11
Divisors count240
Divisors1, 219971, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1375, 2000, 2200, 2750, 4400, 5500, 11000, 22000
Number of properties80
Chen primes1209th 
Isolated primes1721st 
Left-truncatable primes173rd 
Primes2464th 
Pythagorean primes1223rd 
Sexy primes (1st member)743rd 
Sexy primes (2nd member)742nd 
Sexy prime triplets (2nd member)202nd 
Roman numberals  
Base 210101011110110121010101111100002
Base 31010011201310100112113
Base 4111132314111133004
Base 51200442512010005
Base 624550162455046
Base 712106371210667
Base 8527558527608
Base 9331519331549
Base 1021997102200010
Base 1115588111559011
Base 1210891121089412
Base 13a02113a02413
Base 14803314803614
Base 1567b71567ba15
Base 1655ed1655f016
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