Properties of the Number -212812

Two Hundred Twelve Thousand Eight Hundred Twelve

Basics

Value: -212813 → -212812 → -212811

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 83 × 641

Divisors: 1, 2, 4, 83, 166, 332, 641, 1282, 2564, 53203

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -110011111101001100

Octal: -637514

Duodecimal: -A31A4

Hexadecimal: -33f4c

Square: 45288947344

Square Root: 461.3155102530155

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 0..n arrays of length 6 with each element differing from at least one neighbor by 2 or more. A221526

Number of row states in an automaton for the enumeration of the number of fixed polyominoes with bounding box of width n. A378947