Compare 71999 vs 72001

Property7199972001
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization719991891 × 8091
Prime factorization7199989 × 809
Divisors count24
Divisors1, 719991, 89, 809, 72001
Number of properties91
Chen primes3251st 
Happy primes1107th 
Harmonic primes2693rd 
Isolated primes5267th 
Primes7128th 
Safe primes511th 
Semiprimes 17118th
Sexy primes (2nd member)1872nd 
Sexy prime triplets (3rd member)421st 
Sophie germain primes896th 
Roman numberals  
Base 2100011001001111112100011001010000012
Base 3101222021223101222022013
Base 410121033341012110014
Base 54300444543010015
Base 61313155613132016
Base 741662474166267
Base 821447782145018
Base 911867891186819
Base 1071999107200110
Base 114a104114a10611
Base 12357bb123580112
Base 1326a051326a0713
Base 141c34b141c34d14
Base 15164ee151650115
Base 161193f161194116
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