Compare 71 vs 149

Unique factors11
Total factors11
Prime factorization7111491
Prime factorization71149
Divisors count22
Divisors1, 711, 149
Number of properties138
Centered heptagonal primes2nd 
Chen primes18th29th
Class 1+ primes11th 
Cousin primes (2nd member)7th 
Good primes10th14th
Harmonic primes 12th
Long primes 13th
Multiplicative primes8th 
Pierpont primes of the 2nd kind11th 
Prime triplets (2nd member)8th 
Pythagorean primes 16th
Right-truncatable primes11th 
Solinas primes17th 
Twin primes (1st member)8th12th
Roman numberalsLXXICXLIX
Base 210001112100101012
Base 321223121123
Base 41013421114
Base 5241510445
Base 615564056
Base 713173027
Base 810782258
Base 97891759
Base 10711014910
Base 11651112611
Base 125b1210512
Base 135613b613
Base 145114a914
Base 154b159e15
Base 1647169516
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