Compare 181001 vs 181009

Property	181001	181009
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	181001¹	31¹ × 5839¹
Prime factorization	181001	31 × 5839
Divisors count	2	4
Divisors	1, 181001	1, 31, 5839, 181009
Number of properties	6	1
Additive primes	6684th
Chen primes	6947th
Primes	16414th
Pythagorean primes	8195th
Semiprimes		41155th
Sophie germain primes	1899th
Twin primes (1st member)	1985th
Roman numberals
Base 2	101100001100001001₂	101100001100010001₂
Base 3	100012021202₃	100012022001₃
Base 4	230030021₄	230030101₄
Base 5	21243001₅	21243014₅
Base 6	3513545₆	3514001₆
Base 7	1352462₇	1352503₇
Base 8	541411₈	541421₈
Base 9	305252₉	305261₉
Base 10	181001₁₀	181009₁₀
Base 11	113a97₁₁	113aa4₁₁
Base 12	888b5₁₂	88901₁₂
Base 13	64502₁₃	6450a₁₃
Base 14	49d69₁₄	49d73₁₄
Base 15	3896b₁₅	38974₁₅
Base 16	2c309₁₆	2c311₁₆