Compare 71987 vs 71991

Property	71987	71991
Type	prime	composite number
Unique factors	1	3
Total factors	1	4
Prime factorization	71987¹	3² × 19¹ × 421¹
Prime factorization	71987	3 × 3 × 19 × 421
Divisors count	2	12
Divisors	1, 71987	1, 3, 9, 19, 57, 171, 421, 1263, 3789, 7999, 23997, 71991
Number of properties	7	0
Chen primes	3250th
Cousin primes (2nd member)	923rd
Isolated primes	5265th
Primes	7126th
Safe primes	510th
Sexy primes (1st member)	1871st
Sexy prime triplets (1st member)	421st
Roman numberals
Base 2	10001100100110011₂	10001100100110111₂
Base 3	10122202012₃	10122202100₃
Base 4	101210303₄	101210313₄
Base 5	4300422₅	4300431₅
Base 6	1313135₆	1313143₆
Base 7	416606₇	416613₇
Base 8	214463₈	214467₈
Base 9	118665₉	118670₉
Base 10	71987₁₀	71991₁₀
Base 11	4a0a3₁₁	4a0a7₁₁
Base 12	357ab₁₂	357b3₁₂
Base 13	269c6₁₃	269ca₁₃
Base 14	1c33d₁₄	1c343₁₄
Base 15	164e2₁₅	164e6₁₅
Base 16	11933₁₆	11937₁₆