Properties of the Number -242784

Two Hundred Forty-Two Thousand Seven Hundred Eighty-Four

Basics

Value: -242785 → -242784 → -242783

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ³ × 281

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -111011010001100000

Octal: -732140

Duodecimal: -B8600

Hexadecimal: -3b460

Square: 58944070656

Square Root: 492.7311640235474

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

Number of recursive calls needed to compute the n-th Fibonacci number F(n), starting with F(1) = F(2) = 1. A19274

Number of (n+2)X8 binary matrices with every 3X3 block having exactly four 1's. A181260

Number of (n+2)X9 binary matrices with every 3X3 block having exactly four 1's. A181261