Properties of the Number -216960

Two Hundred Sixteen Thousand Nine Hundred Sixty

Basics

Value: -216961 → -216960 → -216959

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ⁷ × 3 × 5 × 113

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110100111110000000

Octal: -647600

Duodecimal: -A5680

Hexadecimal: -34f80

Square: 47071641600

Square Root: 465.7896520963084

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) is such that A145521(n) = A053810(a(n)). A145522

Coefficients of q-expansion of Eisenstein series G_9/2(τ) multiplied by 240. A306936

Square root of A003462, rounded up. A160393

Average θ series of odd unimodular lattices of dimension 9 (multiplied by 17). A29811

Expansion of x*(1 - x - x³)/((1 - x)*(1 - 2·x - 3·x² - 2·x³ - x⁴)). A274203