Properties of the Number 28577

Twenty-Eight Thousand Five Hundred Seventy-Seven

Basics

Value: 28576 → 28577 → 28578

Parity: odd

Prime: No

Previous Prime: 28573

Next Prime: 28579

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 17 × 41 ²

Divisors: 1, 17, 41, 697, 1681, 28577

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111110100001

Octal: 67641

Duodecimal: 14655

Hexadecimal: 6fa1

Square: 816644929

Square Root: 169.04733065032408

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

Sum of 4th powers of primes dividing n. A5065

a(n) = 17·n². A244630

a(n) = n⁴ * ∑_{p∣n, p prime} 1/p⁴. A351244

Sums of two distinct prime 4th powers. A130873

Number of squares in the interior of the square with vertices (n,0), (0,n), (-n,0) and (0,-n) in a square (x,y)-grid. A111746

Sums of two or more distinct 4th powers of primes. A130833

First column of the triangle in which the n-th row contains n numbers with n divisors that lie between A079835(n) and A079835(n+1). A79836

Numbers 41·k such that 41·k+2 and 41·k-6 are both prime. A153822

a(n) = prime(1)⁴ + prime(n)⁴. A287925

Composite numbers not divisible by 7 which in base 7 contain their largest proper factor as a substring. A63877