Properties of the Number -227045

Two Hundred Twenty-Seven Thousand Forty-Five

Basics

Value: -227046 → -227045 → -227044

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 7 × 13 × 499

Divisors: 1, 5, 7, 13, 35, 65, 91, 455, 499, 2495

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110111011011100101

Octal: -673345

Duodecimal: -AB485

Hexadecimal: -376e5

Square: 51549432025

Square Root: 476.4923923841807

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) = Number of n X k 0..4 arrays with values 0..4 introduced in row major order and each element equal to at least one horizontal or vertical neighbor. A198708

a(n) = ∑_{k=0..floor(n/2)} 2^k * binomial(2·n-2·k+1,2·k). A387624

a(n) = ∑_{k=0..floor(n/4)} C(n-2·k,2·k)*2^k. A98575

Number of nX2 0..4 arrays with values 0..4 introduced in row major order and each element equal to at least one horizontal or vertical neighbor. A198702