Properties of the Number -7799

Seven Hundred Ninety-Nine

Basics

Value: -7800 → -7799 → -7798

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 11 × 709

Divisors: 1, 11, 709, 7799

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1111001110111

Octal: -17167

Duodecimal: -461B

Hexadecimal: -1e77

Square: 60824401

Square Root: 88.31194709664146

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

Sum of digits = 8 times number of digits. A61425

a(n) = ∑_j=1..n j·prime(j). A14285

G.f.: exp( ∑_n>=1 σ(4n)*xⁿ/n ). A182820

Expansion of x*(1+x-x²)/((1-x)⁴*(1+x)). A5744

Numbers k where |cos(k)| (or |cosec(k)| or |cot(k)|) decreases monotonically to 0; also numbers k where |tan(k)| (or |sec(k)|, or |sin(k)|) increases. A4112

Number of connected posets with n elements of height 1. A7776

Numbers k where sin(k) increases monotonically to 1 (or cosec(k) decreases). A46959

Expansion of g.f. (1 + x + 2·x²)/((1 - x)³*(1 - x³)). A92498

T(n,k) is the number of n X k 0..2 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor. A201539

Numbers whose smallest decimal digit is 7. A284068