Compare 115981 vs 115991

Property	115981	115991
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	115981¹	17¹ × 6823¹
Prime factorization	115981	17 × 6823
Divisors count	2	4
Divisors	1, 115981	1, 17, 6823, 115991
Number of properties	5	1
Long primes	4106th
Primes	10963rd
Pythagorean primes	5462nd
Semiprimes		26946th
Sexy primes (1st member)	2756th
Twin primes (2nd member)	1381st
Roman numberals
Base 2	11100010100001101₂	11100010100010111₂
Base 3	12220002121₃	12220002222₃
Base 4	130110031₄	130110113₄
Base 5	12202411₅	12202431₅
Base 6	2252541₆	2252555₆
Base 7	662065₇	662111₇
Base 8	342415₈	342427₈
Base 9	186077₉	186088₉
Base 10	115981₁₀	115991₁₀
Base 11	7a158₁₁	7a167₁₁
Base 12	57151₁₂	5715b₁₂
Base 13	40a38₁₃	40a45₁₃
Base 14	303a5₁₄	303b1₁₄
Base 15	24571₁₅	2457b₁₅
Base 16	1c50d₁₆	1c517₁₆