1. Numbers
  2. Compare 3991 vs 4001

Compare 3991 vs 4001

Property39914001
Typesemiprimeprime
Unique factors21
Total factors21
Prime factorization131 × 307140011
Prime factorization13 × 3074001
Divisors count42
Divisors1, 13, 307, 39911, 4001
Number of properties110
Additive primes 282nd
Chen primes 321st
Good primes 95th
Primes 551st
Prime triplets (1st member) 72nd
Pythagorean primes 270th
Semiprimes1102nd 
Sexy primes (1st member) 203rd
Sexy prime quadrupletss (1st member) 17th
Sexy prime triplets (1st member) 71st
Twin primes (1st member) 104th
Roman numberalsMMMCMXCIMMMMI
Base 211111001011121111101000012
Base 3121102113121110123
Base 433211343322014
Base 511143151120015
Base 6302516303056
Base 7144317144447
Base 87627876418
Base 95424954359
Base 10399110400110
Base 112aa911300811
Base 12238712239512
Base 131a80131a8a13
Base 14165114165b14
Base 1512b11512bb15
Base 16f9716fa116
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