Properties of the Number 26281

Twenty-Six Thousand Two Hundred Eighty-One

Basics

Value: 26280 → 26281 → 26282

Parity: odd

Prime: No

Previous Prime: 26267

Next Prime: 26293

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 41 × 641

Divisors: 1, 41, 641, 26281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011010101001

Octal: 63251

Duodecimal: 13261

Hexadecimal: 66a9

Square: 690690961

Square Root: 162.1141573089778

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) = (n+1)⁵ - n⁵. A22521

a(n) = 9ⁿ - 8ⁿ. A16185

Difference between 3ⁿ and highest power of 2 less than or equal to 3ⁿ. A56577

Difference of two positive 5th powers. A181124

Numbers m such that the decimal number concat(8,m) is a square. A273363

9ⁿ mod 8ⁿ. A139733

First differences of A006899. A108906

a(n) = A273059(4n+3). A275919

a(0)=1, a(1)=1, a(n) = 9·a(n/2) for even n >= 2, and a(n) = 8·a((n-1)/2) + a((n+1)/2) for odd n >= 3. A116526

Monotonic ordering of nonnegative differences 9ⁱ-2^j, for 40>= i>=0, j>=0. A192123