Properties of the Number 82812

Eighty-Two Thousand Eight Hundred Twelve

Basics

Value: 82811 → 82812 → 82813

Parity: even

Prime: No

Previous Prime: 82811

Next Prime: 82813

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 67 × 103

Divisors: 1, 2, 3, 4, 6, 12, 67, 103, 134, 201

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100001101111100

Octal: 241574

Duodecimal: 3BB10

Hexadecimal: 1437c

Square: 6857827344

Square Root: 287.77074208473664

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

a(n) consecutive digits ascending beginning with the digit 6 give a prime. A120824

Let abcd... be the decimal expansion of k. Sequence lists numbers k such that 1/a + 2/b + 3/c + 4/d + ... is an integer. A221644

Positions of sign changes in running sum of μ(k)/k: n such that sign(∑_k=1..n μ(k)/k) <> sign(∑_k=1..n+1 μ(k)/k). A82812