Properties of the Number -16224

Sixteen Thousand Two Hundred Twenty-Four

Basics

Value: -16225 → -16224 → -16223

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁵ × 3 × 13 ²

Divisors: 1, 2, 3, 4, 6, 8, 12, 13, 16, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11111101100000

Octal: -37540

Duodecimal: -9480

Hexadecimal: -3f60

Square: 263218176

Square Root: 127.37346662472527

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

∑_k=1..2n-1 J(4·n,k)*k², where J(i,j) is the Jacobi symbol. A97544

a(n) = A000203(A276086(n)). A324653

Numbers k such that σ(x) = k has exactly 9 solutions. A60665

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 1 vertically. A208013

a(n) = n + (n+1)² + (n+2)³. A27620

T(n,k)=Sum of neighbor maps: number of nXk binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 nXk array. A222386

Sum of neighbor maps: number of n X 1 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, vertical and antidiagonal neighbors in a random 0..2 n X 1 array. A220172

a(n) = n!*2ⁿ⁺¹ * (Integral_{x = 0..1} 1/(1+x²)ⁿ⁺¹ dx) - π*(2·n)!/(2ⁿ⁺¹*n!). A87547

Numbers p⁵*q²*r where p, q, r are 3 distinct primes. A179691

T(n,k)=Sum of neighbor maps: number of nXk binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal and antidiagonal neighbors in a random 0..3 nXk array. A222935