Properties of the Number -240318

Two Hundred Forty Thousand Three Hundred Eighteen

Basics

Value: -240319 → -240318 → -240317

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 13 ² × 79

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 39, 78

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -111010101010111110

Octal: -725276

Duodecimal: -B70A6

Hexadecimal: -3aabe

Square: 57752741124

Square Root: 490.2223985090848

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

Meandric numbers for a river crossing up to 10 parallel roads at n points. A209622

E.g.f.: A(x,y) = exp(y)*P(x) - Q(x,y), where P(x) = 1/∏_n>=1 (1 - xⁿ/n) and Q(x,y) = ∑_n>=1 yⁿ / ∏_k=1..n (k - x^k). A249480

a(1)=1, a(n) = a(n-1) + n⁵ if n odd, a(n) = a(n-1) + n if n is even. A140163