Properties of the Number 26761

Twenty-Six Thousand Seven Hundred Sixty-One

Basics

Value: 26760 → 26761 → 26762

Parity: odd

Prime: No

Previous Prime: 26759

Next Prime: 26777

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 3823

Divisors: 1, 7, 3823, 26761

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100010001001

Octal: 64211

Duodecimal: 135A1

Hexadecimal: 6889

Square: 716151121

Square Root: 163.58789686281807

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

Expansion of e.g.f. 1 / (3 - 2·exp(2·x))^1/4. A365782

Numbers k such that k and k² use only the digits 1, 2, 5, 6 and 7. A137004

Number of (n+1) X 3 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively. A204645

Partial sums of A080715. A268403

a(n) = T(2n, n-2), T given by A026758. A26761

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases. A206063

Number of (n+1)X8 0..3 arrays with every 2X3 or 3X2 subblock having exactly two clockwise edge increases. A206062