Properties of the Number 51428

Fifty-One Thousand Four Hundred Twenty-Eight

Basics

Value: 51427 → 51428 → 51429

Parity: even

Prime: No

Previous Prime: 51427

Next Prime: 51431

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 13 × 23 × 43

Divisors: 1, 2, 4, 13, 23, 26, 43, 46, 52, 86

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100011100100

Octal: 144344

Duodecimal: 25918

Hexadecimal: c8e4

Square: 2644839184

Square Root: 226.77742392045994

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

Total number of smallest parts in all partitions of n that do not contain 1 as a part. A195820

Numbers k such that k, k+1 and k+2 have exactly 4 distinct prime factors. A364309

Number of (w,x,y,z) with all terms in {1,...,n} and 2∣w-x|>=n+|y-z|. A212688

Number of slanted n X 4 (i=1..n) X (j=i..4+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, 4 in the lower right corner, and with no element having more than 3 neighbors with the same value. A165381

Number of magic labelings of the Petersen graph with magic sum n. A125196

Number of (k,m,n)-multiantichains of multisets with k=3 and m=4. A84881

(Terms in A029658)/2. A51428