Properties of the Number 82815

Eighty-Two Thousand Eight Hundred Fifteen

Basics

Value: 82814 → 82815 → 82816

Parity: odd

Prime: No

Previous Prime: 82813

Next Prime: 82837

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 5521

Divisors: 1, 3, 5, 15, 5521, 16563, 27605, 82815

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100001101111111

Octal: 241577

Duodecimal: 3BB13

Hexadecimal: 1437f

Square: 6858324225

Square Root: 287.77595452017874

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

Frobenius number of the numerical semigroup generated by three consecutive pentagonal numbers. A69757

Consider primes p with a unique representation p = x² + y², where·is least primitive root of p. a(n) is the first such prime with·increasing in the sequence, x can be found in A082816. A82815