Compare 390661 vs 390671

Property	390661	390671
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	241¹ × 1621¹	390671¹
Prime factorization	241 × 1621	390671
Divisors count	4	2
Divisors	1, 241, 1621, 390661	1, 390671
Number of properties	1	5
Chen primes		13400th
Happy primes		4888th
Primes		33121st
Semiprimes	85620th
Twin primes (1st member)		3728th
Ulam primes		2382nd
Roman numberals
Base 2	1011111011000000101₂	1011111011000001111₂
Base 3	201211212221₃	201211220022₃
Base 4	1133120011₄	1133120033₄
Base 5	100000121₅	100000141₅
Base 6	12212341₆	12212355₆
Base 7	3214645₇	3214661₇
Base 8	1373005₈	1373017₈
Base 9	654787₉	654808₉
Base 10	390661₁₀	390671₁₀
Base 11	247567₁₁	247576₁₁
Base 12	16a0b1₁₂	16a0bb₁₂
Base 13	108a7b₁₃	108a88₁₃
Base 14	a2525₁₄	a2531₁₄
Base 15	7ab41₁₅	7ab4b₁₅
Base 16	5f605₁₆	5f60f₁₆