Properties of the Number -233

Two Hundred Thirty-Three

Basics

Value: -234 → -233 → -232

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 233

Divisors: 1, 233

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101001

Octal: -351

Duodecimal: -175

Hexadecimal: -e9

Square: 54289

Square Root: 15.264337522473747

Classification

Fibonacci: Yes

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

Expansion of 1/(1 + x - x³ - x⁴ - x⁸ - x¹² - x¹³ - x¹⁷ - x²¹ - x²² - x²⁶ - x³⁰ - x³¹ + x³³ + x³⁴). A173908

Expansion of (-7·x² + 134·x + 1)/(x³ - 99·x² + 99·x - 1). A269548

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 3. A60022

a(n) = a(n-1)+a(n-2), n>1 ; a(0)=1, a(1)=-1. A152163

First term of the n-th differences of the composite numbers. Inverse zero-based binomial transform of A002808. A377036

G.f. A(x) satisfies: A(x)² = A(x²) + 4·x. A107087

A transform of the Fibonacci numbers. A103311

Matrix inverse of A174294. A174295

a(n) = -n² + 9·n + 53. A126665

Dirichlet inverse of Fibonacci numbers, when started from A000045(1): 1, 1, 2, 3, 5, 8, 13, 21, ... A349451