Compare 645149 vs 645156

Property	645149	645156
Type	prime	composite number
Unique factors	1	3
Total factors	1	5
Prime factorization	645149¹	2² × 3² × 17921¹
Prime factorization	645149	2 × 2 × 3 × 3 × 17921
Divisors count	2	18
Divisors	1, 645149	1, 2, 3, 4, 6, 9, 12, 18, 36, 17921, 35842, 53763, 71684, 107526, 161289, 215052, 322578, 645156
Number of properties	5	0
Additive primes	20506th
Chen primes	20517th
Isolated primes	41122nd
Primes	52461st
Sophie germain primes	5350th
Roman numberals
Base 2	10011101100000011101₂	10011101100000100100₂
Base 3	1012202222102₃	1012202222200₃
Base 4	2131200131₄	2131200210₄
Base 5	131121044₅	131121111₅
Base 6	21454445₆	21454500₆
Base 7	5324621₇	5324631₇
Base 8	2354035₈	2354044₈
Base 9	1182872₉	1182880₉
Base 10	645149₁₀	645156₁₀
Base 11	40078a₁₁	400796₁₁
Base 12	271425₁₂	271430₁₂
Base 13	19785b₁₃	197865₁₃
Base 14	12b181₁₄	12b188₁₄
Base 15	cb24e₁₅	cb256₁₅
Base 16	9d81d₁₆	9d824₁₆