1. Numbers
  2. Compare 71990 vs 71999

Compare 71990 vs 71999

Property7199071999
Typecomposite numberprime
Unique factors41
Total factors41
Prime factorization21 × 51 × 231 × 3131719991
Prime factorization2 × 5 × 23 × 31371999
Divisors count162
Divisors1, 2, 5, 10, 23, 46, 115, 230, 313, 626, 1565, 3130, 7199, 14398, 35995, 719901, 71999
Number of properties09
Chen primes 3251st
Happy primes 1107th
Harmonic primes 2693rd
Isolated primes 5267th
Primes 7128th
Safe primes 511th
Sexy primes (2nd member) 1872nd
Sexy prime triplets (3rd member) 421st
Sophie germain primes 896th
Roman numberals  
Base 2100011001001101102100011001001111112
Base 3101222020223101222021223
Base 410121031241012103334
Base 54300430543004445
Base 61313142613131556
Base 741661274166247
Base 821446682144778
Base 911866891186789
Base 1071990107199910
Base 114a0a6114a10411
Base 12357b212357bb12
Base 13269c91326a0513
Base 141c342141c34b14
Base 15164e515164ee15
Base 1611936161193f16
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