Properties of the Number 64168

Sixty-Four Thousand One Hundred Sixty-Eight

Basics

Value: 64167 → 64168 → 64169

Parity: even

Prime: No

Previous Prime: 64157

Next Prime: 64171

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 13 × 617

Divisors: 1, 2, 4, 8, 13, 26, 52, 104, 617, 1234

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111101010101000

Octal: 175250

Duodecimal: 31174

Hexadecimal: faa8

Square: 4117532224

Square Root: 253.31403435261933

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 (n+1) X (6+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings). A235276

Number of (n+1) X (8+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings). A235278

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 533", based on the 5-celled von Neumann neighborhood. A272784

An upper bound for linearized chord diagrams. A22491

Numbers k such that F(k)*F(k+1) - F(k+2) is prime, where F = A000045. A305415

T(n,k) is the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings). A235280

Sum of numerator and denominator in n-th harmonic number, 1 + 1/2 + 1/3 +...+ 1/n. A64168