Properties of the Number 28817

Twenty-Eight Thousand Eight Hundred Seventeen

Basics

Value: 28816 → 28817 → 28818

Parity: odd

Prime: Yes

Previous Prime: 28813

Next Prime: 28837

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 28817

Divisors: 1, 28817

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000010010001

Octal: 70221

Duodecimal: 14815

Hexadecimal: 7091

Square: 830419489

Square Root: 169.75570682601514

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

Quartan primes: primes of the form x⁴ + y⁴, x > 0, y > 0. A2645

Primes of form n² + 256. A256776

Primes of form n² + 28561. A256841

A sequence of sorted odd primes 3 = p₁ < p₂ < ... < p_m such that p_i-2 divides the product p₁*p₂*...*p_i-1 of the earlier primes and each prime factor of p_i-1 is a prime factor of twice the product. A1259

Number of partitions of n such that the (sum of distinct even parts) < n/2. A284616

Sum of terms in n-th rows of triangle in A077159. A77162

Primes of the form k + A037276(k) in more than one way. A340636

Row sums of A081964. A81966

Semi-octavan primes: primes of the form x⁴ + y⁸. A291206

Numbers k such that the continued fraction for sqrt(k) has period 85. A20424