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Properties of the Number 26278

Twenty-Six Thousand Two Hundred Seventy-Eight

Basics

Value: 26277 → 26278 → 26279

Parity: even

Prime: No

Previous Prime: 26267

Next Prime: 26293

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 1877

Divisors: 1, 2, 7, 14, 1877, 3754, 13139, 26278

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011010100110

Octal: 63246

Duodecimal: 1325A

Hexadecimal: 66a6

Square: 690533284

Square Root: 162.1049043058229

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

T(n,k)=Number of nXk 0..1 arrays with no 1 adjacent to 4 king-move neighboring 1s. A297102
T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly one element. A282560
Expansion of g.f.: 1/∑p odd prime xp (odd powers only). A352479
Number of nX3 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly one element. A282555
Number of nX6 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly one element. A282558
Number of nX4 0..1 arrays with no 1 adjacent to 4 king-move neighboring 1s. A297098
Number of nX5 0..1 arrays with every element equal to 2, 3 or 5 king-move adjacent elements, with upper left element zero. A297873
a(n) = n * (10·n2 - 6n + 1) = n·A087348(n). A104099
Number of line segments connecting exactly 6 points in an n·n grid of points. A177722
Number of n X n 0..1 arrays with no 1 adjacent to 4 king-move neighboring 1's. A297095