Properties of the Number 80084

Eighty Thousand Eighty-Four

Basics

Value: 80083 → 80084 → 80085

Parity: even

Prime: No

Previous Prime: 80077

Next Prime: 80107

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 20021

Divisors: 1, 2, 4, 20021, 40042, 80084

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011100011010100

Octal: 234324

Duodecimal: 3A418

Hexadecimal: 138d4

Square: 6413447056

Square Root: 282.9911659398576

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

Let u(1)=u(2)=1, u(3)=2n, u(k) = abs(u(k-1)-u(k-2)-u(k-3)) and M(k) = Max_i<=i<=k u(i), then for any k >= A078109(n), M(k) = floor(sqrt(k + a(n))). A78108

Pisot sequence L(3,8). A48579

Number of prime factors in the factorial of the n-th prime, counted with multiplicity. A80084

Decimal expansion of the negated x-coordinate of the inflection point of product{1 + x^k, k >= 1} that has minimal x-coordinate. A257394

Decimal expansion of the y-coordinate of the inflection point of product{1 + x^k, k >= 1} that has minimal x-coordinate. A257395

Decimal expansion of the negated x-coordinate of the inflection point of product{1 + x^k, k >= 1} that has maximal x-coordinate. A257396

Decimal expansion of the y-coordinate of the inflection point of product{1 + x^k, k >= 1} that has maximal x-coordinate. A257397

a(n) = ∑_k=0..n ( binomial(n,k) - binomial(n,k-1) )⁴. A382434