Properties of the Number -243091

Two Hundred Forty-Three Thousand Ninety-One

Basics

Value: -243092 → -243091 → -243090

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 243091

Divisors: 1, 243091

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -111011010110010011

Octal: -732623

Duodecimal: -B8817

Hexadecimal: -3b593

Square: 59093234281

Square Root: 493.0425945088315

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

Numbers n such that n+0, n+1, n+2, n+3 and n+4 are, in some order, 1·a prime, 2·a prime, 3·a prime, 4·a prime and 5·a prime. A71367

Numbers k such that τ(k) + τ(k+1) + τ(k+2) + τ(k+3) + τ(k+4) = 20, where τ is the number of divisors function A000005. A350699

Expansion of (1/x) * Series_Reversion( x / (1/(1-x) + x²) ). A369618

a(n) = 1 + Max_{0<=i<=j<=k; i+j+k=n-1} a(i)*a(j)*a(k) for n>0, with a(0) = 1. A336631