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Properties of the Number 25496

Twenty-Five Thousand Four Hundred Ninety-Six

Basics

Value: 25495 → 25496 → 25497

Parity: even

Prime: No

Previous Prime: 25471

Next Prime: 25523

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 3 × 3187

Divisors: 1, 2, 4, 8, 3187, 6374, 12748, 25496

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001110011000

Octal: 61630

Duodecimal: 12908

Hexadecimal: 6398

Square: 650046016

Square Root: 159.6746692496966

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)=1/3 the number of nXk 0..2 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors. A185559
1/3 the number of nX3 0..2 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors. A185553
1/3 the number of nX5 0..2 arrays with every element equal to exactly one or two of its horizontal and vertical neighbors. A185555
Number of 4 X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically. A207684
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 793", based on the 5-celled von Neumann neighborhood. A273566
a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4). A145028
T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically. A207682
G.f. satisfies: A(x/A(x)) = 1 + x·A(x). A145345
Number of terms in Zeckendorf representation of 4n. A25496
Numbers k such that k and 8·k, taken together, are zeroless pandigital. A115932