Properties of the Number 41581

Forty-One Thousand Five Hundred Eighty-One

Basics

Value: 41580 → 41581 → 41582

Parity: odd

Prime: No

Previous Prime: 41579

Next Prime: 41593

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 43 × 967

Divisors: 1, 43, 967, 41581

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010001001101101

Octal: 121155

Duodecimal: 20091

Hexadecimal: a26d

Square: 1728979561

Square Root: 203.91419764204747

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = a(n-1)+a(n-4). A14097

a(n) = n*(n² + 2·n - 1)/2. A127736

Largest divisor of A246006(n) whose prime factors are all >= n+2. A241601

Right edge of the triangle A045975. A204557

Number of non-isomorphic multiset partitions of weight n with no constant parts and only two distinct vertices. A323654

Numerators of Taylor series for log(tan(x)+1/cos(x)). A91912

Number of compositions of 2n where the multiplicity of the first part equals n. A332051

A partial product representation of A006131 and A072265. A72270

a(n) = n³ - n² - 2·n + 1. A123972

O.g.f.: ∑_n>=0 xⁿ * ∏_k=1..n (k² + x)/(1 + k²*x). A230682