Properties of the Number -802

Eight Hundred Two

Basics

Value: -803 → -802 → -801

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 401

Divisors: 1, 2, 401, 802

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100100010

Octal: -1442

Duodecimal: -56A

Hexadecimal: -322

Square: 643204

Square Root: 28.319604517012593

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

G.f.: ∑_n>=0 xⁿ * (1 + xⁿ)ⁿ / (1 + xⁿ⁺¹)ⁿ⁺¹. A323557

Expansion of exp( ∑_{n >= 1} A210676(n)*xⁿ/n ). A255926

p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - 3 S + 2 S³. A291251

a(0) = 1, a(1) = 2, a(2) = 3; thereafter, a(n) = a(n-1) + (sum of prior prime terms or whose negatives are prime) - (sum of prior composite terms or whose negatives are composite). A381150

Numerator of Hermite(n, 8/23). A159872

Inverse Euler transform of {1,0,1,0,0,0,...}. A320786

Number of points on surface of tetrahedron; coordination sequence for sodalite net (equals 2·n²+2 for n > 0). A5893

Number of n-node unrooted quartic trees; number of n-carbon alkanes C(n)H(2n+2) ignoring stereoisomers. A602

Sequence and first differences (A030124) together list all positive numbers exactly once. A5228

Numbers k such that the k-th composition in standard order is a permutation (of an initial interval). A333218