Compare 990001 vs 990007

Property	990001	990007
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	990001¹	431¹ × 2297¹
Prime factorization	990001	431 × 2297
Divisors count	2	4
Divisors	1, 990001	1, 431, 2297, 990007
Number of properties	3	1
Additive primes	29855th
Primes	77778th
Semiprimes		208031st
Twin primes (2nd member)	8102nd
Roman numberals
Base 2	11110001101100110001₂	11110001101100110111₂
Base 3	1212022000201₃	1212022000221₃
Base 4	3301230301₄	3301230313₄
Base 5	223140001₅	223140012₅
Base 6	33115201₆	33115211₆
Base 7	11262205₇	11262214₇
Base 8	3615461₈	3615467₈
Base 9	1768021₉	1768027₉
Base 10	990001₁₀	990007₁₀
Base 11	616891₁₁	616897₁₁
Base 12	3b8b01₁₂	3b8b07₁₂
Base 13	2887cc₁₃	288805₁₃
Base 14	1bab05₁₄	1bab0b₁₄
Base 15	148501₁₅	148507₁₅
Base 16	f1b31₁₆	f1b37₁₆