Properties of the Number 26510

Twenty-Six Thousand Five Hundred Ten

Basics

Value: 26509 → 26510 → 26511

Parity: even

Prime: No

Previous Prime: 26501

Next Prime: 26513

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 11 × 241

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 241, 482

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011110001110

Octal: 63616

Duodecimal: 13412

Hexadecimal: 678e

Square: 702780100

Square Root: 162.81891781976688

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 series-reduced planted achiral trees whose leaves span an initial interval of positive integers appearing with multiplicities an integer partition of n. A317099

Least integer k such that k/2ⁿ > (1+sqrt(5))/2 (the golden ratio). A293314

The integer k that minimizes |k/2ⁿ - r|, where r = golden ratio. A293315

Number of triangles larger than size=1 in a matchstick-made hexagon with side length n. A307253

Numbers k such that (2^{2k + 1} - 2)/3 + k - 1 is prime. A236547

Graham-Sloane-type lower bound on the size of a ternary (n,3,8) constant-weight code. A30508

Numbers of squares formed by this procedure on n-th step: Step 1, draw a unit square. Step n, draw a unit square with center in every intersection of lines of the figure in step n-1. A336288

Convolution of A000041 and A237271. A390878

Eigentriangle by rows, n terms of (10·A002535) followed by A002535(n). A143970

Number of nX3 0..1 arrays with exactly n+3-2 having value 1 and no three 1s forming an isosceles right triangle. A272953