Properties of the Number 1028

One Thousand Twenty-Eight

Basics

Value: 1027 → 1028 → 1029

Parity: even

Prime: No

Previous Prime: 1021

Next Prime: 1031

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 257

Divisors: 1, 2, 4, 257, 514, 1028

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000100

Octal: 2004

Duodecimal: 718

Hexadecimal: 404

Square: 1056784

Square Root: 32.0624390837628

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

Moser-de Bruijn sequence: sums of distinct powers of 4. A695

Number of primes <= 2ⁿ. A7053

Triangle read by rows: T(n,m) (n >= m >= 1) = number of regions (or cells) formed by drawing the line segments connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares. A331452

Sums of two distinct powers of 2. A18900

Numbers that are the sum of 5 positive 5th powers. A3350

Number of regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles (a(0)=0 by convention). A306302

Numbers k such that the k-th composition in standard order is strictly decreasing. A333256

Numbers of edges of regular polygons constructible with ruler (or, more precisely, an unmarked straightedge) and compass. A3401

Numbers k such that k⁸ + 1 is prime. A6314

Numbers that are the sum of 12 positive 7th powers. A3379