Properties of the Number 73216

Seventy-Three Thousand Two Hundred Sixteen

Basics

Value: 73215 → 73216 → 73217

Parity: even

Prime: No

Previous Prime: 73189

Next Prime: 73237

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁹ × 11 × 13

Divisors: 1, 2, 4, 8, 11, 13, 16, 22, 26, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111000000000

Octal: 217000

Duodecimal: 36454

Hexadecimal: 11e00

Square: 5360582656

Square Root: 270.5845524046042

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

Number of ternary Lyndon words with exactly five 1's. A124723

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 403", based on the 5-celled von Neumann neighborhood. A288019

Irregular triangle T(n,k) read by rows in which n-th row lists in colex order all series-reduced tree degree sequences D of n nodes encoded as t = ∏_{d in D} prime(d); n >= 4, 1 <= k <= A002865(n-2). A345970

Record values obtained in the iterative process related to the abundancy function σ(n)/n described in comments. A247141

a(0) = 0, a(1) = a(2) = a(3) = 1; thereafter, a(n) = a(n-1) + a(n-2) + a(n-4). A5251

G.f. A(x) satisfies A(x)² = 1 + 4·x*A(x)⁵. A245112

G.f. A(x,y) satisfies: A(x,y) = x·y + A(x,x·y)², with A(0,y) = 1. A275670

The terms of A055235 (sums of two powers of 3) divided by 2. A73216