Properties of the Number -223729

Two Hundred Twenty-Three Thousand Seven Hundred Twenty-Nine

Basics

Value: -223730 → -223729 → -223728

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 11 ² × 43 ²

Divisors: 1, 11, 43, 121, 473, 1849, 5203, 20339, 223729

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110110100111110001

Octal: -664761

Duodecimal: -A9581

Hexadecimal: -369f1

Square: 50054665441

Square Root: 473

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

Smallest square that contains the digits of n in its exact middle. A62689

Squares of the form 4·A014574(n-1) + 1. A131706

(Terms in A014738)/4. A51515

a(n) is the least perfect square average of two consecutive primes with 2·n gap between them, or -1 if no such number exists. A360751