Properties of the Number 4228

Four Thousand Two Hundred Twenty-Eight

Basics

Value: 4227 → 4228 → 4229

Parity: even

Prime: No

Previous Prime: 4219

Next Prime: 4229

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 151

Divisors: 1, 2, 4, 7, 14, 28, 151, 302, 604, 1057

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1000010000100

Octal: 10204

Duodecimal: 2544

Hexadecimal: 1084

Square: 17875984

Square Root: 65.02307282803544

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

Numbers that are the sum of 7 positive 6th powers. A3363

Numbers m such that there are precisely 9 groups of order m. A249552

Positive integers n such that n¹⁷ + 1 is semiprime (A001358). A104494

T(n,k)=Number of length n+3 0..k arrays with some disjoint pairs in every consecutive four terms having the same sum. A247533

Coefficients in q-expansion of (E₄² - E₂*E₆)/1008, where E₂, E₄, E₆ are the Eisenstein series shown in A006352, A004009, A013973, respectively. A282050

Number of maximal collections of pairwise disjoint subsets {X,Y,Z} of {1, 2, ..., n}, each satisfying X + Y = Z. A2849

Numbers k such that k | sigma₅(k). A55709

Positions of 10 after decimal point in decimal expansion of 1/π. A134260

A simple grammar: power set of pairs of sequences. A52812

Positive numbers whose product of digits is 8 times their sum. A62040