Compare 11981 vs 11983

Property	11981	11983
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	11981¹	23¹ × 521¹
Prime factorization	11981	23 × 521
Divisors count	2	4
Divisors	1, 11981	1, 23, 521, 11983
Number of properties	7	1
Chen primes	735th
Emirps	325th
Isolated primes	968th
Long primes	561st
Primes	1437th
Pythagorean primes	707th
Semiprimes		3127th
Sexy primes (1st member)	462nd
Roman numberals
Base 2	10111011001101₂	10111011001111₂
Base 3	121102202₃	121102211₃
Base 4	2323031₄	2323033₄
Base 5	340411₅	340413₅
Base 6	131245₆	131251₆
Base 7	46634₇	46636₇
Base 8	27315₈	27317₈
Base 9	17382₉	17384₉
Base 10	11981₁₀	11983₁₀
Base 11	9002₁₁	9004₁₁
Base 12	6b25₁₂	6b27₁₂
Base 13	55b8₁₃	55ba₁₃
Base 14	451b₁₄	451d₁₄
Base 15	383b₁₅	383d₁₅
Base 16	2ecd₁₆	2ecf₁₆