Properties of the Number 23216

Twenty-Three Thousand Two Hundred Sixteen

Basics

Value: 23215 → 23216 → 23217

Parity: even

Prime: No

Previous Prime: 23209

Next Prime: 23227

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 1451

Divisors: 1, 2, 4, 8, 16, 1451, 2902, 5804, 11608, 23216

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101010110000

Octal: 55260

Duodecimal: 11528

Hexadecimal: 5ab0

Square: 538982656

Square Root: 152.3679756379273

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

G.f.: (x+4·x³+x⁵)/((1-x)²*(1-x²)²*(1-x³)). A83707

Nearest integer to log(n)^{n^(1 - 1/n}). A62466

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 213", based on the 5-celled von Neumann neighborhood. A270903

Number of 2 X 2 matrices having entries in {0,1,...,n} and determinant in the open interval (-n,n) with no entry repeated. A279273

Number of nX6 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281398

Number of 6 X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281405

a(n) is the permanent of the n X n matrix whose element (i,j) is equal to A008277(i+4, j) with 1 <= i,j <= n. A381166

Number of n X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281393

T(n,k)=Number of nXk 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281400

Primes p such that 4·p + 9 is also prime. A23216