Properties of the Number 236

Two Hundred Thirty-Six

Basics

Value: 235 → 236 → 237

Parity: even

Prime: No

Previous Prime: 233

Next Prime: 239

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 59

Divisors: 1, 2, 4, 59, 118, 236

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101100

Octal: 354

Duodecimal: 178

Hexadecimal: ec

Square: 55696

Square Root: 15.362291495737216

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 ∏_k>=0 (1 + x^2k+1); number of partitions of n into distinct odd parts; number of self-conjugate partitions; number of symmetric Ferrers graphs with n nodes. A700

Numbers that are the product of exactly three (not necessarily distinct) primes. A14612

Numbers k such that k² + 1 is prime. A5574

Ulam numbers: a(1) = 1; a(2) = 2; for n>2, a(n) = least number > a(n-1) which is a unique sum of two distinct earlier terms. A2858

Schroeder's fourth problem; also series-reduced rooted trees with n labeled leaves; also number of total partitions of n. A311

Average of two consecutive odd primes. A24675

Happy numbers: numbers whose trajectory under iteration of sum of squares of digits map (see A003132) includes 1. A7770

Number of partitions of n into pairwise relatively prime parts. A51424

Expansion of q^1/24 * η(q) / η(q²) in powers of q. A81362

Nontotients: even numbers k such that φ(m) = k has no solution. A5277