Properties of the Number -20224

Twenty Thousand Two Hundred Twenty-Four

Basics

Value: -20225 → -20224 → -20223

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ⁸ × 79

Divisors: 1, 2, 4, 8, 16, 32, 64, 79, 128, 158

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111100000000

Octal: -47400

Duodecimal: -B854

Hexadecimal: -4f00

Square: 409010176

Square Root: 142.21111067704942

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

Nearest integer to 1 / ∑_{p prime, 2ⁿ < p <= 2ⁿ⁺¹} (Kronecker(-1/p)/p). A166510

Number of configurations of the sliding block 8-puzzle that require a minimum of n moves to be reached, starting with the empty square in one of the corners. A89473

Number of degree-n even permutations of order dividing 4. A61129

Products of the 8th power of a prime and a distinct prime (p⁸*q). A179668

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2. A275266

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock commuting with each of its horizontal and vertical 2X2 subblock neighbors. A186482

Values of n such that there are exactly 7 solutions to x² - y² = n with x > y >= 0. A257414

Sin(n) decreases monotonically to -1. A46964

Number of degree-n even permutations of order dividing 8. A61131

Primitive terms of A388271. A388272