1. Numbers
  2. Compare 71 vs 72

Compare 71 vs 72

Property7172
Typeprimecomposite number
Unique factors12
Total factors15
Prime factorization71123 × 32
Prime factorization712 × 2 × 2 × 3 × 3
Divisors count212
Divisors1, 711, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Number of properties130
Centered heptagonal primes2nd 
Chen primes18th 
Class 1+ primes11th 
Cousin primes (2nd member)7th 
Emirps5th 
Good primes10th 
Multiplicative primes8th 
Pierpont primes of the 2nd kind11th 
Primes20th 
Prime triplets (2nd member)8th 
Right-truncatable primes11th 
Solinas primes17th 
Twin primes (1st member)8th 
Roman numberalsLXXILXXII
Base 21000111210010002
Base 32122322003
Base 41013410204
Base 524152425
Base 615562006
Base 713171327
Base 810781108
Base 9789809
Base 1071107210
Base 1165116611
Base 125b126012
Base 1356135713
Base 1451145214
Base 154b154c15
Base 1647164816
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