Properties of the Number 80002

Eighty Thousand Two

Basics

Value: 80001 → 80002 → 80003

Parity: even

Prime: No

Previous Prime: 79999

Next Prime: 80021

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 13 × 17 × 181

Divisors: 1, 2, 13, 17, 26, 34, 181, 221, 362, 442

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011100010000010

Octal: 234202

Duodecimal: 3A36A

Hexadecimal: 13882

Square: 6400320004

Square Root: 282.8462479864281

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

Numbers k such that 1000k+1, 1000k+3, 1000k+7, 1000k+9 are all primes. A64962

Numbers k such that the k-th triangular number contains only digits {0,2,3}. A119050

Partial sums of A006010. A335648

Number x = concat(MSD(x),b) such that MSD(x)*b = d(x), where MSD(x) is the Most Significant Digit of·and d(x) is the number of divisors of x. A291618

Expansion of e.g.f. exp(x·exp(x)). A248

Number of inequivalent sublattices of index n in hexagonal lattice, where two sublattices are equivalent if they are related by a rotation or reflection preserving the hexagonal lattice. A3051

Number of primitive sublattices of index n in hexagonal lattice: triples x,y,z from Z/nZ with x+y+z = 0, discarding any triple that can be obtained from another by multiplying by a unit and permuting. A3050

a(n) = (n / SmallestPrimeFactor(n)) * GreatestPrimeFactor(n). A130064

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={-1,0,1}. A80002