Properties of the Number -221399

Two Hundred Twenty-One Thousand Three Hundred Ninety-Nine

Basics

Value: -221400 → -221399 → -221398

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 221399

Divisors: 1, 221399

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110000011010111

Octal: -660327

Duodecimal: -A815B

Hexadecimal: -360d7

Square: 49017517201

Square Root: 470.5305516116887

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

Binomial transform of the β numbers 1/β(n+1,n+1) (A002457). A163869

Triangle interpolating the swinging factorial (A056040) restricted to odd indices with its binomial transform. Same as interpolating the β numbers 1/β(n,n) (A002457) with (A163869). Triangle read by rows, for n >= 0, k >= 0. A163842