Properties of the Number -122816

One Hundred Twenty-Two Thousand Eight Hundred Sixteen

Basics

Value: -122817 → -122816 → -122815

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁶ × 19 × 101

Divisors: 1, 2, 4, 8, 16, 19, 32, 38, 64, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11101111111000000

Octal: -357700

Duodecimal: -5B0A8

Hexadecimal: -1dfc0

Square: 15083769856

Square Root: 350.45113782095217

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 of length n with exactly two 1's. A124720

The number of edges inside a cross with width 3 and height n (see Comments in A331455 for definition) formed by the straight line segments mutually connecting all vertices and all points. A330851

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = ∑_j=0..n k^j * binomial(n,j)^k. A336187

Triangle read by rows: T(p,q) is the number of B-diagrams G such that ω(G)=p half edges and h_f(G)=q non-used outer non-cut half edges. A265199

a(n) = ((2ⁿ*n + i*(1 - i)ⁿ - i*(1 + i)ⁿ))/4, where i is the imaginary unit. A323225

a(n) = (4/3)*u*(u³+6·u²+8·u-3) where u=floor((3·n+5)/2). A160451