Compare 1999 vs 2069

Property	1999	2069
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	1999¹	2069¹
Prime factorization	1999	2069
Divisors count	2	2
Divisors	1, 1999	1, 2069
Number of properties	8	8
Additive primes		161st
Centered triangular primes	10th
Chen primes		191st
Cousin primes (1st member)	65th
Isolated primes		189th
Long primes		120th
Primes	303rd	312th
Prime triplets (2nd member)	50th
Prime triplets (3rd member)	49th
Pythagorean primes		151st
Sexy primes (2nd member)	128th	131st
Sexy prime triplets (3rd member)	50th
Sophie germain primes		64th
Twin primes (2nd member)	61st
Roman numberals	MCMXCIX	MMLXIX
Base 2	11111001111₂	100000010101₂
Base 3	2202001₃	2211122₃
Base 4	133033₄	200111₄
Base 5	30444₅	31234₅
Base 6	13131₆	13325₆
Base 7	5554₇	6014₇
Base 8	3717₈	4025₈
Base 9	2661₉	2748₉
Base 10	1999₁₀	2069₁₀
Base 11	1558₁₁	1611₁₁
Base 12	11a7₁₂	1245₁₂
Base 13	baa₁₃	c32₁₃
Base 14	a2b₁₄	a7b₁₄
Base 15	8d4₁₅	92e₁₅
Base 16	7cf₁₆	815₁₆