Properties of the Number -216194

Two Hundred Sixteen Thousand One Hundred Ninety-Four

Basics

Value: -216195 → -216194 → -216193

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 11 × 31 × 317

Divisors: 1, 2, 11, 22, 31, 62, 317, 341, 634, 682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -110100110010000010

Octal: -646202

Duodecimal: -A5142

Hexadecimal: -34c82

Square: 46739845636

Square Root: 464.96666547183787

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) = 225·n² - n. A156813

a(n) = 961·n² - 31. A158679

Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{j³*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i³*x(i,j), i=1..n+1} nondecreasing. A232855