Properties of the Number 2028

Two Thousand Twenty-Eight

Basics

Value: 2027 → 2028 → 2029

Parity: even

Prime: No

Previous Prime: 2027

Next Prime: 2029

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 13 ²

Divisors: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11111101100

Octal: 3754

Duodecimal: 1210

Hexadecimal: 7ec

Square: 4112784

Square Root: 45.033320996790806

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

a(n) = 3·n². A33428

a(n) = n³ - n². A45991

Coordination sequence for "reo" 3D uniform tiling. A299279

Numbers that are the sum of 6 positive 5th powers. A3351

Numbers whose unsorted prime signature is not unimodal. A332282

a(n) = n² + 3. A117950

Octanacci numbers: a(0)=a(1)=...=a(6)=0, a(7)=1; for n >= 8, a(n) = ∑_i=1..8 a(n-i). A79262

a(n) = n² * φ(n). A53191

a(n) = ∏_{k=0..floor(log₃(n))} floor(n/3^k), n>=1. A132027

A B₂ sequence: a(n) is the least value such that sequence increases and pairwise sums of elements are all distinct. A25582