Properties of the Number -221157

Two Hundred Twenty-One Thousand One Hundred Fifty-Seven

Basics

Value: -221158 → -221157 → -221156

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 8191

Divisors: 1, 3, 9, 27, 8191, 24573, 73719, 221157

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101111111100101

Octal: -657745

Duodecimal: -A7B99

Hexadecimal: -35fe5

Square: 48910418649

Square Root: 470.27332478038767

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

Partial sums of binary rooted tree numbers. A14167

Numbers k such that σ(k) = ψ(k) + τ(k)⁵. A390420