Properties of the Number -1233

Two Hundred Thirty-Three

Basics

Value: -1234 → -1233 → -1232

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 137

Divisors: 1, 3, 9, 137, 411, 1233

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -10011010001

Octal: -2321

Duodecimal: -869

Hexadecimal: -4d1

Square: 1520289

Square Root: 35.11409973215888

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

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 6. A60025

Expansion of f(x)³ * f(-x²) * χ(x³)³ in powers of·where χ(), f() are Ramanujan θ functions. A280384

a(n) = -a(n-1) -a(n-2) -a(n-3) +a(n-4), a(0)=0, a(1)=1, a(2)=-1, a(3)=0. A100329

Expansion of f(-x)³ * f(-x²) * χ(-x³)³ in powers of·where χ(), f() are Ramanujan θ functions. A280328

Expansion of tan(x)*cos(tan(x)). A9729

Odd numbers of the form p^1+4k * r², where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1. (Euler's criteria for odd perfect numbers). A228058

Number of (w,x,y) such that w,x,y are all in {0,...,n} and |w-x| = |x-y|. A212959

Number of degree-n permutations of order dividing 3. A1470

Number of n X n binary matrices of order dividing 3 (also number of solutions to X³=I in GL(n,2)). A53725

a(1) = 9; a(n) = smallest number such that the juxtaposition a(1)a(2)...a(n) is a prime. A69611