Properties of the Number -242047

Two Hundred Forty-Two Thousand Forty-Seven

Basics

Value: -242048 → -242047 → -242046

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 13 × 43 × 433

Divisors: 1, 13, 43, 433, 559, 5629, 18619, 242047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111011000101111111

Octal: -730577

Duodecimal: -B80A7

Hexadecimal: -3b17f

Square: 58586750209

Square Root: 491.9827232738971

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) = 8·a(n-1) - a(n-2); a(0) = 0, a(1) = 1. A1090

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) is Chebyshev polynomial of the second kind U_n(x), evaluated at x=k. A323182

a(n) = 64·n⁶ - 80·n⁴ + 24·n² - 1. A242851

Denominators of continued fraction convergents to sqrt(15). A41023

a(n) = U(n, (n+2)/2) where U(n, x) is a Chebyshev polynomial of the 2nd kind. A342167

Number triangle associated to Chebyshev polynomials of the second kind. A228161

Denominators of continued fraction convergents to sqrt(60). A41105

Union of A057080 and A001090. A177187

a(n) = A041105(4n+1). A258684

Denominators of continued fraction convergents to sqrt(135). A41247