Properties of the Number -242370

Two Hundred Forty-Two Thousand Three Hundred Seventy

Basics

Value: -242371 → -242370 → -242369

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 2693

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111011001011000010

Octal: -731302

Duodecimal: -B8316

Hexadecimal: -3b2c2

Square: 58743216900

Square Root: 492.31087739354285

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

T(n,k)=1/12 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing three of each value. A184386

1/12 the number of (n+2) X 4 0..2 arrays with each 3 X 3 subblock containing three of each value. A184379

Number of length-n 0..5 arrays with no repeated value equal to the previous repeated value. A269464

Number of length-7 0..n arrays with no repeated value equal to the previous repeated value. A269471

a(0) = 1; a(n) = ∑_{k=0..floor((n-1)/3)} binomial(n,3·k+1) * a(k). A352879

1/12 the number of (n+2)X8 0..2 arrays with each 3X3 subblock containing three of each value. A184383