Properties of the Number -799

Seven Hundred Ninety-Nine

Basics

Value: -800 → -799 → -798

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 17 × 47

Divisors: 1, 17, 47, 799

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100011111

Octal: -1437

Duodecimal: -567

Hexadecimal: -31f

Square: 638401

Square Root: 28.26658805020514

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

Triangle T that satisfies the matrix products: C*[T^-1]*C = T and T*[C^-1]*T = C, where C is Pascal's triangle. A118801

Difference between sums of largest parts of all partitions of n into odd number of parts and into even number of parts. A222049

Triangle T(n,k) = (-1)^k * A119258(n,k) read by rows, 0 <= k <= n. A145661

E.g.f. A(x) satisfies A(x) = exp( x/A(-x·A(x)²)² ). A384809

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A384809. A384811

a(n) = 1 - n²*2ⁿ. A168298

Expansion of e.g.f. exp(-x) / (1 + x·exp(x)). A368272

Expansion of (1-x)^-1/(1+x-x²-2·x³). A77901

G.f. satisfies: A(x) = A(x² - x³)/(1-x). A251659

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 217", based on the 5-celled von Neumann neighborhood. A270912