Compare 13990 vs 13997

Property	13990	13997
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	2¹ × 5¹ × 1399¹	13997¹
Prime factorization	2 × 5 × 1399	13997
Divisors count	8	2
Divisors	1, 2, 5, 10, 1399, 2798, 6995, 13990	1, 13997
Number of properties	0	5
Additive primes		791st
Chen primes		839th
Primes		1651st
Pythagorean primes		818th
Twin primes (1st member)		261st
Roman numberals
Base 2	11011010100110₂	11011010101101₂
Base 3	201012011₃	201012102₃
Base 4	3122212₄	3122231₄
Base 5	421430₅	421442₅
Base 6	144434₆	144445₆
Base 7	55534₇	55544₇
Base 8	33246₈	33255₈
Base 9	21164₉	21172₉
Base 10	13990₁₀	13997₁₀
Base 11	a569₁₁	a575₁₁
Base 12	811a₁₂	8125₁₂
Base 13	64a2₁₃	64a9₁₃
Base 14	5154₁₄	515b₁₄
Base 15	422a₁₅	4232₁₅
Base 16	36a6₁₆	36ad₁₆