Properties of the Number 82530

Eighty-Two Thousand Five Hundred Thirty

Basics

Value: 82529 → 82530 → 82531

Parity: even

Prime: No

Previous Prime: 82529

Next Prime: 82531

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 7 × 131

Divisors: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10100001001100010

Octal: 241142

Duodecimal: 3B916

Hexadecimal: 14262

Square: 6811200900

Square Root: 287.28035087697873

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

Even numbers k such that 6k+1, 12k+1, 18k+1, 36k+1 and 72k+1 are all primes. A206349

Numbers m such that 6m+1, 12m+1, 18m+1, 36m+1 and 72m+1 are all prime. A257035

First row of spectral array W(sqrt(3)). A22159

a(n) is a non-palindromic composite located between twin primes whose reverse, which is less than it, is also located between twin primes. A103741

Numerator of Euler(n, 9/23). A156956

a(1)=1, a(n)=5·a(n-1)+1 if a(n-1) is odd, a(n)=a(n-1)/2+1 otherwise. A82530