Properties of the Number 22028

Twenty-Two Thousand Twenty-Eight

Basics

Value: 22027 → 22028 → 22029

Parity: even

Prime: No

Previous Prime: 22027

Next Prime: 22031

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5507

Divisors: 1, 2, 4, 5507, 11014, 22028

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101011000001100

Octal: 53014

Duodecimal: 108B8

Hexadecimal: 560c

Square: 485232784

Square Root: 148.41832770921522

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

From substitutional generation of Kolakoski sequence (A000002). A42942

Number of partitions p of n such that (number of even numbers in p) < (number of odd numbers in p). A241636

Positions of Fibonacci numbers in ordered sequence A160009 of all products of Fibonacci numbers. A272948

McKay-Thompson series of class 20F for Monster. A58555

Number of days after Mar 01 00 such that the date written the format MMDDYY (American standard, short) is palindromic. A210894

Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by a tile that is fixed under 180-degree rotation but not horizontal or vertical reflections. A368256

Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal reflection by an asymmetric tile. A368259

Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to 180-degree rotation by an asymmetric tile. A368263

n·10²-1, n·10²-3, n·10²-7 and n·10²-9 are all prime. A64976

Binomial transform of reflected pentanacci numbers A074062: a(n) = ∑_k=0..n binomial(n,k)*A074062(k). A74825