Properties of the Number -242880

Two Hundred Forty-Two Thousand Eight Hundred Eighty

Basics

Value: -242881 → -242880 → -242879

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ⁶ × 3 × 5 × 11 × 23

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011010011000000

Octal: -732300

Duodecimal: -B8680

Hexadecimal: -3b4c0

Square: 58990694400

Square Root: 492.82857060036605

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

Expansion of χ(-q)⁵ / χ(-q⁵) in powers of q where χ() is a Ramanujan θ function. A138521

Number of divisors of n!. A27423

a(n) = n*(n+1)*(n+2)*(n+3)*(n²+3·n+26)/720. A257200

Expansion of χ(q)⁵ / χ(q⁵) in powers of q where χ() is a Ramanujan θ function. A225701

Number of integer-sided hexagons having perimeter n, modulo rotations but not reflections. A293823

Orders of the finite groups Aut(GL₂(K)) when K is a finite field with q = A246655(n) elements. A353247

a(n) = a(n-1) + 5·a(n-2), for n >= 0, with a(0) = 1 and a(1) = 0. A365824

Weight distribution of ternary [ 24,12,9 ] quadratic residue code (also of Pless symmetry code). A1382

Number of divisors of (n!)!, or A000197. A62008