Properties of the Number 82811

Eighty-Two Thousand Eight Hundred Eleven

Basics

Value: 82810 → 82811 → 82812

Parity: odd

Prime: Yes

Previous Prime: 82799

Next Prime: 82813

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 82811

Divisors: 1, 82811

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100001101111011

Octal: 241573

Duodecimal: 3BB0B

Hexadecimal: 1437b

Square: 6857661721

Square Root: 287.76900458527496

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 maximal subsets of {1..n} such that it is possible to choose a different binary index of each element. A370640

Primes having only {1, 2, 8} as digits. A385775

Expansion of g.f. 1/ (1-x¹*(1-x^m+1)/ (1-x²*(1-x^m+2)/ (1- ... ))) for m=6. A228646

Lesser of twin primes for which φ(p-1) < φ(p+1). A286715

Let A(n) = floor((3/2)ⁿ), B(n)=3ⁿ-2ⁿ*A(n); then a(n)=2ⁿ-A(n)-B(n)-2. A174420

a(n) is the smallest odd prime that divides (-n) + the sum of all smaller primes, or 0 if no such prime exists. A274995

Primes of the form 10n² + 1. A201709

Smallest multiple of n beginning with 2. A82811

Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A300142

Numbers m such that the four consecutive primes starting at m are congruent to {2, 3, 5, 7} (mod 11). A354177