1. Numbers
  2. Compare 28661 vs 28666

Compare 28661 vs 28666

Property2866128666
Typeprimecomposite number
Unique factors13
Total factors13
Prime factorization28661121 × 111 × 13031
Prime factorization286612 × 11 × 1303
Divisors count28
Divisors1, 286611, 2, 11, 22, 1303, 2606, 14333, 28666
Number of properties80
Additive primes1426th 
Chen primes1512th 
Cousin primes (2nd member)455th 
Long primes1187th 
Primes3122nd 
Prime triplets (2nd member)221st 
Pythagorean primes1553rd 
Twin primes (1st member)457th 
Roman numberals  
Base 211011111111010121101111111110102
Base 31110022112311100222013
Base 4123333114123333224
Base 51404121514041315
Base 634040563404146
Base 714636371464017
Base 8677658677728
Base 9432759432819
Base 1028661102866610
Base 111a596111a5a011
Base 1214705121470a12
Base 1310079131008113
Base 14a63314a63814
Base 15875b15876115
Base 166ff5166ffa16
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