Compare 61 vs 69

Property6169
Typeprimesemiprime
Unique factors12
Total factors12
Prime factorization61131 × 231
Prime factorization613 × 23
Divisors count24
Divisors1, 611, 3, 23, 69
Number of properties121
Additive primes11th 
Centered decagonal primes3rd 
Centered square primes4th 
Cuban primes 14th 
Long primes8th 
Primes18th 
Pythagorean primes8th 
Semiprimes 24th
Sexy primes (1st member)12th 
Sexy prime quadrupletss (1st member)4th 
Sexy prime triplets (1st member)8th 
Solinas primes15th 
Twin primes (2nd member)7th 
Roman numberalsLXILXIX
Base 2111101210001012
Base 32021321203
Base 4331410114
Base 522152345
Base 614161536
Base 711571267
Base 87581058
Base 9679769
Base 1061106910
Base 1156116311
Base 1251125912
Base 1349135413
Base 1445144d14
Base 1541154915
Base 163d164516
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