Properties of the Number -221650

Two Hundred Twenty-One Thousand Six Hundred Fifty

Basics

Value: -221651 → -221650 → -221649

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 ² × 11 × 13 × 31

Divisors: 1, 2, 5, 10, 11, 13, 22, 25, 26, 31

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110110000111010010

Octal: -660722

Duodecimal: -A832A

Hexadecimal: -361d2

Square: 49128722500

Square Root: 470.7971962533337

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

a(n) = 20·a(n-1) - 64·a(n-2) - 150 for n > 2; a(0) = 357, a(1) = 14450, a(2) = 221650. A166913

Sum of the prime parts in the partitions of n into 10 parts. A309471