Compare 6981 vs 6991

Property	6981	6991
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	3¹ × 13¹ × 179¹	6991¹
Prime factorization	3 × 13 × 179	6991
Divisors count	8	2
Divisors	1, 3, 13, 39, 179, 537, 2327, 6981	1, 6991
Number of properties	0	3
Isolated primes		576th
Primes		899th
Sexy primes (1st member)		317th
Roman numberals
Base 2	1101101000101₂	1101101001111₂
Base 3	100120120₃	100120221₃
Base 4	1231011₄	1231033₄
Base 5	210411₅	210431₅
Base 6	52153₆	52211₆
Base 7	26232₇	26245₇
Base 8	15505₈	15517₈
Base 9	10516₉	10527₉
Base 10	6981₁₀	6991₁₀
Base 11	5277₁₁	5286₁₁
Base 12	4059₁₂	4067₁₂
Base 13	3240₁₃	324a₁₃
Base 14	2789₁₄	2795₁₄
Base 15	2106₁₅	2111₁₅
Base 16	1b45₁₆	1b4f₁₆