Properties of the Number 30082

Thirty Thousand Eighty-Two

Basics

Value: 30081 → 30082 → 30083

Parity: even

Prime: No

Previous Prime: 30071

Next Prime: 30089

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 ² × 89

Divisors: 1, 2, 13, 26, 89, 169, 178, 338, 1157, 2314

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111010110000010

Octal: 72602

Duodecimal: 154AA

Hexadecimal: 7582

Square: 904926724

Square Root: 173.44163283364233

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

Numbers k such that 75·2^k-1 is prime. A50563

Number of ordered pairs (x,y) with x >= 0 and y >= 0 such that n - x⁴ - 2·y² is a triangular number or a pentagonal number. A262945

Irregular table read by rows: Place n equally spaced points on the circumference of a circle of radius r and then connect each pair of points with straight lines whose intersections create A007569(n) - n additional points. Draw a circle of radius r around each of the A007569(n) points. T(n,k) is the number of k-sided regions, k>=2, formed from all circle intersections. A374828

a(n) = prime³ and digits of prime appear in a(n). A30082