1. Numbers
  2. Compare 9901 vs 9909

Compare 9901 vs 9909

Property99019909
Typeprimecomposite number
Unique factors12
Total factors14
Prime factorization9901133 × 3671
Prime factorization99013 × 3 × 3 × 367
Divisors count28
Divisors1, 99011, 3, 9, 27, 367, 1101, 3303, 9909
Number of properties70
Additive primes585th 
Centered decagonal primes26th 
Chen primes630th 
Isolated primes814th 
Primes1221st 
Pythagorean primes605th 
Sexy primes (1st member)409th 
Roman numberals  
Base 2100110101011012100110101101012
Base 311112020131111210003
Base 42122231421223114
Base 530410153041145
Base 611350161135136
Base 7406037406147
Base 8232558232658
Base 9145219145309
Base 10990110990910
Base 11749111749911
Base 12589112589912
Base 13467813468313
Base 14387314387b14
Base 152e01152e0915
Base 1626ad1626b516
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