Compare 139921 vs 139991

Property	139921	139991
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	139921¹	139991¹
Prime factorization	139921	139991
Divisors count	2	2
Divisors	1, 139921	1, 139991
Number of properties	4	6
Centered square primes	76th
Cousin primes (2nd member)		1605th
Emirps		2705th
Harmonic primes		4885th
Isolated primes	9789th	9794th
Primes	13002nd	13009th
Pythagorean primes	6476th
Super primes		1551st
Roman numberals
Base 2	100010001010010001₂	100010001011010111₂
Base 3	21002221021₃	21010000212₃
Base 4	202022101₄	202023113₄
Base 5	13434141₅	13434431₅
Base 6	2555441₆	3000035₆
Base 7	1121635₇	1122065₇
Base 8	421221₈	421327₈
Base 9	232837₉	233025₉
Base 10	139921₁₀	139991₁₀
Base 11	96141₁₁	961a5₁₁
Base 12	68b81₁₂	6901b₁₂
Base 13	4b8c2₁₃	4b947₁₃
Base 14	38dc5₁₄	39035₁₄
Base 15	2b6d1₁₅	2b72b₁₅
Base 16	22291₁₆	222d7₁₆