Properties of the Number -243939

Two Hundred Forty-Three Thousand Nine Hundred Thirty-Nine

Basics

Value: -243940 → -243939 → -243938

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 31 × 43 × 61

Divisors: 1, 3, 31, 43, 61, 93, 129, 183, 1333, 1891

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111011100011100011

Octal: -734343

Duodecimal: -B9203

Hexadecimal: -3b8e3

Square: 59506235721

Square Root: 493.9018121043898

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+1) = a(n) converted to base 9 from base 7 (written in base 10). A23389

Numbers k such that the sum of the prime distinct divisors of k²+1 equals 2 times the largest prime divisor of k²+1. A200072