Properties of the Number 82420

Eighty-Two Thousand Four Hundred Twenty

Basics

Value: 82419 → 82420 → 82421

Parity: even

Prime: No

Previous Prime: 82393

Next Prime: 82421

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 13 × 317

Divisors: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100000111110100

Octal: 240764

Duodecimal: 3B844

Hexadecimal: 141f4

Square: 6793056400

Square Root: 287.08883642524313

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 nX2 1..4 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in increasing order. A166815

Numbers n such that P(n) < P(n+2) < P(n+1), where P(n) = largest prime factor of n (A006530). A82420