Properties of the Number -25318

Twenty-Five Thousand Three Hundred Eighteen

Basics

Value: -25319 → -25318 → -25317

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 12659

Divisors: 1, 2, 12659, 25318

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -110001011100110

Octal: -61346

Duodecimal: -1279A

Hexadecimal: -62e6

Square: 641001124

Square Root: 159.116309660575

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

a(n) = ∑_k=0..n C(2k+2,k)*C(2k+2,n-k) ; equals row 2 of square array A137634 ; also equals the convolution of A137635 and the self-convolution of A073157. A137637

Positions of incrementally largest terms in the continued fraction for Euler's constant γ (A002852). A33092

Square array where T(n,k) = ∑_j=0..k C(n+2·j,j)*C(n+2·j,k-j), read by antidiagonals. A137634

Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A298656

Number of (n+1) X (4+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock. A235950

Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 2 ones in any 5 X 5 X 5 subtriangle. A153919