Properties of the Number -242807

Two Hundred Forty-Two Thousand Eight Hundred Seven

Basics

Value: -242808 → -242807 → -242806

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 242807

Divisors: 1, 242807

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011010001110111

Octal: -732167

Duodecimal: -B861B

Hexadecimal: -3b477

Square: 58955239249

Square Root: 492.75450276988846

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

Omit the 1's from Rowland's sequence f(n) - f(n-1) = gcd(n,f(n-1)), where f(1) = 7. A137613

Engel expansion of sqrt(3). A28257

New primes found by Rowland's recurrence in the order of their appearance. A221869

Records in A132199. A191304

Number of minimax elements in the affine Weyl group of the Lie algebra so(2n). A245455

Auxiliary r(n) sequence used to prove some properties about Rowland's sequence: r(1) = 1, and r(n) = 1/2*(c(n)+1), where c(n) is A190894, for n>1. A190895