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Properties of the Number 26808

Twenty-Six Thousand Eight Hundred Eight

Basics

Value: 26807 → 26808 → 26809

Parity: even

Prime: No

Previous Prime: 26801

Next Prime: 26813

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 3 × 3 × 1117

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 1117, 2234

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100010111000

Octal: 64270

Duodecimal: 13620

Hexadecimal: 68b8

Square: 718668864

Square Root: 163.7314875031678

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) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 3's. A254448
a(n) is the number of tetrapods standing on the four edges of an n X n grid, so that no two feet are the same distance apart and no foot is on a corner. Tetrapods with congruent footprints are counted only once. A353447
Numerators of continued fraction convergents to sqrt(165). A41304
Triangle read by rows: the numbers B2(n,k) from the Harju and Nowotka paper. A102416
Shifts 3 places left under MNL transform. A275594
Sum of squares of numbers less than n that do not divide n. A276984
Leading column of A102416. A102864
Number of nX4 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300376
a(n) = 54·n2 - 78·n + 36. A277983
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300380