Properties of the Number 26890

Twenty-Six Thousand Eight Hundred Ninety

Basics

Value: 26889 → 26890 → 26891

Parity: even

Prime: No

Previous Prime: 26881

Next Prime: 26891

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 2689

Divisors: 1, 2, 5, 10, 2689, 5378, 13445, 26890

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100100001010

Octal: 64412

Duodecimal: 1368A

Hexadecimal: 690a

Square: 723072100

Square Root: 163.98170629676957

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 subsets of {1, 3, ..., 2·n-1} which sum to 0 modulo 2·n-1. A334125

Numbers whose base-5 representation contains exactly three 0's and three 3's. A45202

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (-1, 1, -1), (1, 0, 0), (1, 1, 0)}. A150319

T(2n+1,n+4), T given by A026769. A26890