Properties of the Number -27723

Twenty-Seven Thousand Seven Hundred Twenty-Three

Basics

Value: -27724 → -27723 → -27722

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 9241

Divisors: 1, 3, 9241, 27723

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110001001011

Octal: -66113

Duodecimal: -14063

Hexadecimal: -6c4b

Square: 768564729

Square Root: 166.5022522370193

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 positive solutions to (x₁)² + (x₂)² + ... + (x₇)² <= n². A341426

p²-p+1 central polygonal numbers with prime indices A002061(prime(n)). A119959

Numbers k such that (k+j) mod (2+j) = 1 for j from 0 to 10 and (k+11) mod 13 <> 1. A96027

a(n) is the smallest number k such that A275235(k) = n. A354840

Denominators of an Egyptian fraction for 1/Sqrt[21] = 0.21821789... A144996