Properties of the Number -32280

Thirty-Two Thousand Two Hundred Eighty

Basics

Value: -32281 → -32280 → -32279

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 269

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

2196 Try Today's Challenge

Representations

Binary: -111111000011000

Octal: -77030

Duodecimal: -16820

Hexadecimal: -7e18

Square: 1041998400

Square Root: 179.66635745180565

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

The cube-root of the g.f. of A112280, which is congruent modulo 9 to the cube of q-series (q;q)_oo. A112281

Numbers k such that d(φ(k)) = φ(d(k)), where d=A000005 and φ=A000010. A78148

Central terms of triangles A102472 and A102473. A247365

a(n) = 36·n² - 4·n (n>=1). A304380

Number of 5 X 5 X 5 triangular nonnegative integer arrays, symmetric under 120 degree rotation, with all sums of an element and its neighbors <= n. A166213

Numbers k such that k*∑_d∣k 1/σ(d) is an integer. A69166

Number of 4 X n 0..2 arrays with no element equal to the sum of elements to its left or one plus the sum of the elements above it, modulo 3. A239031

First differences of A328078. A328079

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, -1), (0, 0, 1), (0, 1, 1), (1, 1, -1)}. A150674