Compare 123983 vs 123991

Property	123983	123991
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	123983¹	7¹ × 17713¹
Prime factorization	123983	7 × 17713
Divisors count	2	4
Divisors	1, 123983	1, 7, 17713, 123991
Number of properties	6	1
Cousin primes (2nd member)	1451st
Isolated primes	8728th
Long primes	4359th
Primes	11649th
Safe primes	796th
Semiprimes		28697th
Sexy primes (1st member)	2904th
Roman numberals
Base 2	11110010001001111₂	11110010001010111₂
Base 3	20022001222₃	20022002021₃
Base 4	132101033₄	132101113₄
Base 5	12431413₅	12431431₅
Base 6	2353555₆	2354011₆
Base 7	1024316₇	1024330₇
Base 8	362117₈	362127₈
Base 9	208058₉	208067₉
Base 10	123983₁₀	123991₁₀
Base 11	85172₁₁	8517a₁₁
Base 12	5b8bb₁₂	5b907₁₂
Base 13	44582₁₃	4458a₁₃
Base 14	3327d₁₄	33287₁₄
Base 15	26b08₁₅	26b11₁₅
Base 16	1e44f₁₆	1e457₁₆