Compare 81806 vs 81817

Property	81806	81817
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	2¹ × 40903¹	81817¹
Prime factorization	2 × 40903	81817
Divisors count	4	2
Divisors	1, 2, 40903, 81806	1, 81817
Number of properties	1	4
Isolated primes		5944th
Lucky primes		1078th
Primes		8001st
Pythagorean primes		3988th
Semiprimes	19311th
Roman numberals
Base 2	10011111110001110₂	10011111110011001₂
Base 3	11011012212₃	11011020021₃
Base 4	103332032₄	103332121₄
Base 5	10104211₅	10104232₅
Base 6	1430422₆	1430441₆
Base 7	460334₇	460351₇
Base 8	237616₈	237631₈
Base 9	134185₉	134207₉
Base 10	81806₁₀	81817₁₀
Base 11	5650a₁₁	5651a₁₁
Base 12	3b412₁₂	3b421₁₂
Base 13	2b30a₁₃	2b318₁₃
Base 14	21b54₁₄	21b61₁₄
Base 15	1938b₁₅	19397₁₅
Base 16	13f8e₁₆	13f99₁₆