Compare 6991 vs 6998

Property	6991	6998
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	6991¹	2¹ × 3499¹
Prime factorization	6991	2 × 3499
Divisors count	2	4
Divisors	1, 6991	1, 2, 3499, 6998
Number of properties	3	1
Isolated primes	576th
Primes	899th
Semiprimes		1866th
Sexy primes (1st member)	317th
Roman numberals
Base 2	1101101001111₂	1101101010110₂
Base 3	100120221₃	100121012₃
Base 4	1231033₄	1231112₄
Base 5	210431₅	210443₅
Base 6	52211₆	52222₆
Base 7	26245₇	26255₇
Base 8	15517₈	15526₈
Base 9	10527₉	10535₉
Base 10	6991₁₀	6998₁₀
Base 11	5286₁₁	5292₁₁
Base 12	4067₁₂	4072₁₂
Base 13	324a₁₃	3254₁₃
Base 14	2795₁₄	279c₁₄
Base 15	2111₁₅	2118₁₅
Base 16	1b4f₁₆	1b56₁₆