Compare 490207 vs 490209

Property	490207	490209
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	490207¹	3¹ × 163403¹
Prime factorization	490207	3 × 163403
Divisors count	2	4
Divisors	1, 490207	1, 3, 163403, 490209
Number of properties	5	1
Chen primes	16211th
Isolated primes	31806th
Primes	40783rd
Semiprimes		106310th
Sexy primes (2nd member)	9020th
Ulam primes	2983rd
Roman numberals
Base 2	1110111101011011111₂	1110111101011100001₂
Base 3	220220102211₃	220220102220₃
Base 4	1313223133₄	1313223201₄
Base 5	111141312₅	111141314₅
Base 6	14301251₆	14301253₆
Base 7	4111114₇	4111116₇
Base 8	1675337₈	1675341₈
Base 9	826384₉	826386₉
Base 10	490207₁₀	490209₁₀
Base 11	305333₁₁	305335₁₁
Base 12	1b7827₁₂	1b7829₁₂
Base 13	142183₁₃	142185₁₃
Base 14	ca90b₁₄	ca90d₁₄
Base 15	9a3a7₁₅	9a3a9₁₅
Base 16	77adf₁₆	77ae1₁₆