Properties of the Number -43213

Forty-Three Thousand Two Hundred Thirteen

Basics

Value: -43214 → -43213 → -43212

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 79 × 547

Divisors: 1, 79, 547, 43213

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7989 Try Today's Challenge

Representations

Binary: -1010100011001101

Octal: -124315

Duodecimal: -21011

Hexadecimal: -a8cd

Square: 1867363369

Square Root: 207.8773676954757

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

a(n) = a(n-1) - 2·a(n-2) - 3·a(n-3) - ... - (n-1)*a(1), with a(1) = a(2) = 1, a(3) = -1. A106540

a(n) = sum of absolute values of coefficients of (1+x-x²)ⁿ. A84611

Strong pseudoprimes to base 11. A20237

n written in fractional base 5/4. A24634

Strong pseudoprimes to base 21. A20247

Strong pseudoprimes to base 28. A20254

Strong pseudoprimes to base 30. A20256

Strong pseudoprimes to base 40. A20266

Strong pseudoprimes to base 41. A20267

Strong pseudoprimes to base 46. A20272