Properties of the Number -21327

Twenty-One Thousand Three Hundred Twenty-Seven

Basics

Value: -21328 → -21327 → -21326

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7109

Divisors: 1, 3, 7109, 21327

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001101001111

Octal: -51517

Duodecimal: -10413

Hexadecimal: -534f

Square: 454840929

Square Root: 146.03766637412417

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

Integers which can be written in exactly three ways as sum of two distinct nonzero pentagonal numbers. A333013

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in two by two blocks. A145859