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Properties of the Number 26481

Twenty-Six Thousand Four Hundred Eighty-One

Basics

Value: 26480 → 26481 → 26482

Parity: odd

Prime: No

Previous Prime: 26479

Next Prime: 26489

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 13 × 97

Divisors: 1, 3, 7, 13, 21, 39, 91, 97, 273, 291

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011101110001

Octal: 63561

Duodecimal: 133A9

Hexadecimal: 6771

Square: 701243361

Square Root: 162.7298374607435

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

Number of rectangular plane partitions of n. A323429
Hexagonal prism numbers: a(n) = (n + 1)*(3·n2 + 3·n + 1). A5915
T(n,k) = number of (n+1) X (k+1) 0..2 arrays with the number of clockwise edge increases in 2 X 2 subblocks nondecreasing, and counterclockwise edge increases nonincreasing, rightwards and downwards. A206542
a(n) = ∑j=1..n ∑k=1..n φ(j·k) / φ(k). A372636
Structured great rhombicubeoctahedral numbers. A100146
Z(Sm; σ[1](n), σ[2](n),..., σ[m](n)) where Z(Sm; x1,x2,...,xm) is the cycle index of the symmetric group Sm and σ[k](n) is the sum of k-th powers of divisors of n; m=4. A68021
Number of partitions of n not containing the number of distinct parts as a part. A239946
Expansion of 1/((1-x)*(1-2·x)*(1-5·x)*(1-10·x)). A21144
a(n) = 4·a(n-1) + 3·a(n-2), with a(0)=0, a(1)=3. A106570
Number of (n+1) X 2 0..2 arrays with the number of clockwise edge increases in 2 X 2 subblocks nondecreasing, and counterclockwise edge increases nonincreasing, rightwards and downwards. A206535