Properties of the Number 26164

Twenty-Six Thousand One Hundred Sixty-Four

Basics

Value: 26163 → 26164 → 26165

Parity: even

Prime: No

Previous Prime: 26161

Next Prime: 26171

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 31 × 211

Divisors: 1, 2, 4, 31, 62, 124, 211, 422, 844, 6541

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011000110100

Octal: 63064

Duodecimal: 13184

Hexadecimal: 6634

Square: 684554896

Square Root: 161.752897964766

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

Irregular triangle read by rows: T(n,k) is the number of free polyominoes with n cells and width k, n >= 1, 1 <= k <= ceiling(n/2). A379623

T(n,k) is the number of (n+1) X (k+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A235098

Denominators of the convergents of the continued fraction for sqrt(sqrt(2) - 1), the radius vector of the point of bisection of the arc of the unit lemniscate (x² + y²)² = x² - y² in the first quadrant. A154750

Numbers n with property that for each single digit d of n, we can also see the decimal expansion of 2^d as a substring of n. Also n may not contain any zero digits. A135016

Number of sequences of length n over {1, -1} with Erdős discrepancy <= 2. A181740

Number of 4-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions. A187587

Number of (n+1) X (1+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A235091

Number of (n+1) X (6+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings). A235096

White to move: King and Queen vs. King: Number of positions with mate in n. A274684

Number of 8-step king's tours on an n X n board summed over all starting positions. A186867