Properties of the Number 80039

Eighty Thousand Thirty-Nine

Basics

Value: 80038 → 80039 → 80040

Parity: odd

Prime: Yes

Previous Prime: 80021

Next Prime: 80051

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 80039

Divisors: 1, 80039

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100010100111

Octal: 234247

Duodecimal: 3A39B

Hexadecimal: 138a7

Square: 6406241521

Square Root: 282.91164698541485

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 simple allowable sequences on 1..n containing the permutation 12...n. A5118

Decimal expansion of the binary Champernowne constant 0.862240125868... whose binary expansion is the concatenation of 1, 2, 3, ... written in binary. A66716

a(n) = floor((1+sqrt(2))ⁿ). A80039

Number of simple allowable sequences on 1..n. A18241

Number T(n,k) of reduced decompositions for all permutations of [n] with exactly k inversions; triangle T(n,k), n>=0, 0<=k<=n*(n-1)/2, read by rows. A289778

Total number of reduced decompositions for all permutations in S_n. A246865

Numbers k such that 8·10^k + 39 is prime. A280924