Compare 191231 vs 191242

Property	191231	191242
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	191231¹	2¹ × 95621¹
Prime factorization	191231	2 × 95621
Divisors count	2	4
Divisors	1, 191231	1, 2, 95621, 191242
Number of properties	7	1
Additive primes	6981st
Cousin primes (2nd member)	2049th
Happy primes	2654th
Isolated primes	13103rd
Primes	17264th
Semiprimes		43352nd
Sexy primes (1st member)	4131st
Sophie germain primes	1981st
Roman numberals
Base 2	101110101011111111₂	101110101100001010₂
Base 3	100201022122₃	100201100001₃
Base 4	232223333₄	232230022₄
Base 5	22104411₅	22104432₅
Base 6	4033155₆	4033214₆
Base 7	1424345₇	1424362₇
Base 8	565377₈	565412₈
Base 9	321278₉	321301₉
Base 10	191231₁₀	191242₁₀
Base 11	120747₁₁	120757₁₁
Base 12	927bb₁₂	9280a₁₂
Base 13	69071₁₃	6907c₁₃
Base 14	4d995₁₄	4d9a2₁₄
Base 15	3b9db₁₅	3b9e7₁₅
Base 16	2eaff₁₆	2eb0a₁₆