Properties of the Number -217442

Two Hundred Seventeen Thousand Four Hundred Forty-Two

Basics

Value: -217443 → -217442 → -217441

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 23 × 29 × 163

Divisors: 1, 2, 23, 29, 46, 58, 163, 326, 667, 1334

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110101000101100010

Octal: -650542

Duodecimal: -A5A02

Hexadecimal: -35162

Square: 47281023364

Square Root: 466.3067659813655

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

Number of compositions of n into 6 parts such that no two adjacent parts are equal. A106355

Triangle read by rows: T(n, k) = n! * 4^k * hypergeom([-k], [-n], 1/4). A375613