Compare 51991 vs 51998

Property	51991	51998
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	51991¹	2¹ × 25999¹
Prime factorization	51991	2 × 25999
Divisors count	2	4
Divisors	1, 51991	1, 2, 25999, 51998
Number of properties	2	1
Isolated primes	3864th
Primes	5319th
Semiprimes		12561st
Roman numberals
Base 2	1100101100010111₂	1100101100011110₂
Base 3	2122022121₃	2122022212₃
Base 4	30230113₄	30230132₄
Base 5	3130431₅	3130443₅
Base 6	1040411₆	1040422₆
Base 7	304402₇	304412₇
Base 8	145427₈	145436₈
Base 9	78277₉	78285₉
Base 10	51991₁₀	51998₁₀
Base 11	36075₁₁	36081₁₁
Base 12	26107₁₂	26112₁₂
Base 13	1a884₁₃	1a88b₁₃
Base 14	14d39₁₄	14d42₁₄
Base 15	10611₁₅	10618₁₅
Base 16	cb17₁₆	cb1e₁₆