Properties of the Number 234

Two Hundred Thirty-Four

Basics

Value: 233 → 234 → 235

Parity: even

Prime: No

Previous Prime: 233

Next Prime: 239

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 13

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 39, 78

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101010

Octal: 352

Duodecimal: 176

Hexadecimal: ea

Square: 54756

Square Root: 15.297058540778355

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

Abundant numbers (sum of divisors of m exceeds 2m). A5101

Positive integers congruent to 2 (mod 4): a(n) = 4·n+2, for n >= 0. A16825

a(n) = prime(n) + 1. A8864

a(n) is the number of partitions of n into at most 3 parts; also partitions of n+3 in which the greatest part is 3; also number of unlabeled multigraphs with 3 nodes and n edges. A1399

Practical numbers: positive integers m such that every k <= σ(m) is a sum of distinct divisors of m. Also called panarithmic numbers. A5153

Zumkeller or integer-perfect numbers: numbers n whose divisors can be partitioned into two disjoint sets with equal sum. A83207

Numbers that are products of 4 primes. A14613

Nonnegative multiples of 6. A8588

Triangular matchstick numbers: a(n) = 3·n*(n+1)/2. A45943

a(n) = σ(σ(n)) = sum of the divisors of the sum of the divisors of n. A51027

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