Compare 490981 vs 490991

Property	490981	490991
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	23¹ × 21347¹	490991¹
Prime factorization	23 × 21347	490991
Divisors count	4	2
Divisors	1, 23, 21347, 490981	1, 490991
Number of properties	1	4
Chen primes		16237th
Primes		40843rd
Semiprimes	106464th
Sophie germain primes		4262nd
Twin primes (1st member)		4498th
Roman numberals
Base 2	1110111110111100101₂	1110111110111101111₂
Base 3	220221111111₃	220221111212₃
Base 4	1313313211₄	1313313233₄
Base 5	111202411₅	111202431₅
Base 6	14305021₆	14305035₆
Base 7	4113301₇	4113314₇
Base 8	1676745₈	1676757₈
Base 9	827444₉	827455₉
Base 10	490981₁₀	490991₁₀
Base 11	305977₁₁	305986₁₁
Base 12	1b8171₁₂	1b817b₁₂
Base 13	14262a₁₃	142637₁₃
Base 14	cad01₁₄	cad0b₁₄
Base 15	9a721₁₅	9a72b₁₅
Base 16	77de5₁₆	77def₁₆