Properties of the Number 72836

Seventy-Two Thousand Eight Hundred Thirty-Six

Basics

Value: 72835 → 72836 → 72837

Parity: even

Prime: No

Previous Prime: 72823

Next Prime: 72859

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 131 × 139

Divisors: 1, 2, 4, 131, 139, 262, 278, 524, 556, 18209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110010000100

Octal: 216204

Duodecimal: 36198

Hexadecimal: 11c84

Square: 5305082896

Square Root: 269.88145545776206

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

Total number of parts in all partitions of n plus the sum of largest parts in all partitions of n plus the number of partitions of n plus n. A225610

a(n) is the least integer k such that k/Fibonacci(n) > 3/5. A293643

a(n) is the integer k that minimizes |k/Fibonacci(n) - 3/5|. A293644

Sum of first n 8-almost primes. A86061

Expansion of 1/(∑_i>=0 q^2·i*(i+1)/∏_j=0..i (1 - q^2·j+1)²). A294599

Consider trajectory of n under repeated applications of the function f(x) = 'Sum of the prime factors of x (with multiplicity)' (see A029908). Sequence gives composite numbers n that end at a prime m that divides n and m is greater than any m's seen already. A84931

Numbers k such that ψ(k) = ψ(k + 2) and φ(k) = φ(k + 2), where ψ(k) is the Dedekind ψ function (A001615) and φ(k) is the Euler totient function (A000010). A330702

Multiplicity of highest weight (or singular) vectors associated with character chi₂₅ of Monster module. A34413

Exponents occurring in expansion of F₁₀(q²). A72836