Compare 81406 vs 81409

Property	81406	81409
Type	composite number	prime
Unique factors	4	1
Total factors	4	1
Prime factorization	2¹ × 13¹ × 31¹ × 101¹	81409¹
Prime factorization	2 × 13 × 31 × 101	81409
Divisors count	16	2
Divisors	1, 2, 13, 26, 31, 62, 101, 202, 403, 806, 1313, 2626, 3131, 6262, 40703, 81406	1, 81409
Number of properties	0	5
Harmonic primes		3007th
Isolated primes		5915th
Primes		7966th
Proth primes		92nd
Pythagorean primes		3969th
Roman numberals
Base 2	10011110111111110₂	10011111000000001₂
Base 3	11010200001₃	11010200011₃
Base 4	103313332₄	103320001₄
Base 5	10101111₅	10101114₅
Base 6	1424514₆	1424521₆
Base 7	456223₇	456226₇
Base 8	236776₈	237001₈
Base 9	133601₉	133604₉
Base 10	81406₁₀	81409₁₀
Base 11	56186₁₁	56189₁₁
Base 12	3b13a₁₂	3b141₁₂
Base 13	2b090₁₃	2b093₁₃
Base 14	2194a₁₄	2194d₁₄
Base 15	191c1₁₅	191c4₁₅
Base 16	13dfe₁₆	13e01₁₆