Properties of the Number -225216

Two Hundred Twenty-Five Thousand Two Hundred Sixteen

Basics

Value: -225217 → -225216 → -225215

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁶ × 3 ² × 17 × 23

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110110111111000000

Octal: -667700

Duodecimal: -AA400

Hexadecimal: -36fc0

Square: 50722246656

Square Root: 474.5692783988445

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

Coefficients in q-expansion of E₂⁶, where E₂ is the Eisenstein series A006352. A308285

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock, with new values 0..2 introduced row-major order. A236164

G.f. A(x) satisfies: 1 = ∑_n>=0 4ⁿ * ((1+x)ⁿ - A(x))ⁿ. A326284

Number of closed-loop self-avoiding paths of length 4n on a 2D square lattice where no step can be in the same direction as the previous step. A337550

Triangle read by rows. Coefficients of the polynomials P(n, x) = 2^n-2*(3·n-1)* hypergeometric([-3·n, 1 - n, -n + 4/3], [-n, -n + 1/3], x). T(n, k) = [x^k] P(n, x). A358091

Number of (n+1)X(3+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock, with new values 0..2 introduced row-major order. A236159

Number of (n+1)X(4+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock, with new values 0..2 introduced row-major order. A236160