Properties of the Number 85828

Eighty-Five Thousand Eight Hundred Twenty-Eight

Basics

Value: 85827 → 85828 → 85829

Parity: even

Prime: No

Previous Prime: 85819

Next Prime: 85829

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 43 × 499

Divisors: 1, 2, 4, 43, 86, 172, 499, 998, 1996, 21457

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100111101000100

Octal: 247504

Duodecimal: 41804

Hexadecimal: 14f44

Square: 7366445584

Square Root: 292.964161630736

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

Expansion of g.f. ∑_n>=1 qⁿ/(1-qⁿ-q^3·n). A368688

Number of binary strings of length n avoiding 4-antipowers. A275061

Numbers n, not divisible by 3, 5, 7 or 11, such that A000203(n)-n-1 and 2·n+1-A000203(n) are prime numbers. A180268

Lesser number n of a pair such that neither n nor n+1 contain the digit zero in bases 3 to 10. A85828

Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302873