Properties of the Number 80047

Eighty Thousand Forty-Seven

Basics

Value: 80046 → 80047 → 80048

Parity: odd

Prime: No

Previous Prime: 80039

Next Prime: 80051

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 19 × 383

Divisors: 1, 11, 19, 209, 383, 4213, 7277, 80047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011100010101111

Octal: 234257

Duodecimal: 3A3A7

Hexadecimal: 138af

Square: 6407522209

Square Root: 282.92578532187554

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

Number of 5 X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 5 X n array. A220035

Balancing weights on the integer line. A2838

Triangle of numbers a(n,k) = number of balance positions when k equal weights are placed at a k-subset of the points {-n, -(n-1), ..., n-1, n} on a centrally pivoted rod. A47997

Operation count to create all permutations of n distinct elements using Algorithm L (lexicographic permutation generation) from Knuth's The Art of Computer Programming, Vol. 4, chapter 7.2.1.2. Sequence gives number of times l has to be repeatedly decreased in step L3. A80047

Infinitesimal generator of x*(x + 1). A5119