Properties of the Number -8212

Two Hundred Twelve

Basics

Value: -8213 → -8212 → -8211

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 2053

Divisors: 1, 2, 4, 2053, 4106, 8212

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000000010100

Octal: -20024

Duodecimal: -4904

Hexadecimal: -2014

Square: 67436944

Square Root: 90.62008607367353

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

Partial sums of A257259: a(0) = 1; for n >= 1, a(n) = A257259(n) + a(n-1). A257805

Derivative of log of A007360. A23892

Number of partitions of n such that 2*(least part) < greatest part. A237820

Number of integer partitions of n with at least one pair of consecutive divisible parts. A328221

Number of different fixed (possibly) disconnected trominoes bounded tightly by an n X n square. A163433

G.f. A(x) satisfies A(x) = 1 / (1 - x * (1 + x + x² + x³ + x⁴) * A(x⁵)). A367654

Define C(n) by the recursion C(0) = 4·i where i² = -1, C(n+1) = 1/(1 + C(n)), then a(n) = 4*(-1)ⁿ/Im(C(n)) where Im(z) denotes the imaginary part of z. A69961

Diagonal of triangular spiral in A051682. A81268

a(n) = a(n-1) + 16·a(n-2), starting a(0)=1, a(1)=4. A158608

Numbers k such that the k-th composition in standard order is a triple (w,x,y) such that 2w = 3x + 4y. A357489