Properties of the Number 232

Two Hundred Thirty-Two

Basics

Value: 231 → 232 → 233

Parity: even

Prime: No

Previous Prime: 229

Next Prime: 233

Digit Sum: 7

Digital Root: 7

Palindrome: Yes

Factorization: 2 ³ × 29

Divisors: 1, 2, 4, 8, 29, 58, 116, 232

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101000

Octal: 350

Duodecimal: 174

Hexadecimal: e8

Square: 53824

Square Root: 15.231546211727817

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

Palindromes in base 10. A2113

Number of self-inverse permutations on n letters, also known as involutions; number of standard Young tableaux with n cells. A85

Central polygonal numbers (the Lazy Caterer's sequence): n(n+1)/2 + 1; or, maximal number of pieces formed when slicing a pancake with n cuts. A124

List of totally balanced sequences of 2n binary digits written in base 10. Binary expansion of each term contains n 0's and n 1's and reading from left to right (the most significant to the least significant bit), the number of 0's never exceeds the number of 1's. A14486

a(n) = prime(n) - 1. A6093

Numbers in base 4. A7090

a(n) = Fibonacci(n) - 1. A71

Refactorable numbers: number of divisors of k divides k. Also known as τ numbers. A33950

Number of overpartitions of n: an overpartition of n is an ordered sequence of nonincreasing integers that sum to n, where the first occurrence of each integer may be overlined. A15128

Riordan numbers: a(n) = (n-1)*(2·a(n-1) + 3·a(n-2))/(n+1). A5043

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