Properties of the Number -213321

Two Hundred Thirteen Thousand Three Hundred Twenty-One

Basics

Value: -213322 → -213321 → -213320

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 211 × 337

Divisors: 1, 3, 211, 337, 633, 1011, 71107, 213321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100000101001001

Octal: -640511

Duodecimal: -A3549

Hexadecimal: -34149

Square: 45505849041

Square Root: 461.8668639337531

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

Numbers k such that 3·2^k + 1 is prime. A2253

Numbers k such that 3·2^k + 1 is a prime factor of a Fermat number 2^{2^m} + 1 for some m. A204620

Numbers k such that 3·2^k + 1 is a prime factor of a generalized Fermat number 3^{2^m} + 1 for some m. A268657

Numbers n such that 3·2ⁿ + 1 is a prime factor of a generalized Fermat number 12^{2^m} + 1 for some m. A268660

Number of (2+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250814