Properties of the Number 28254

Twenty-Eight Thousand Two Hundred Fifty-Four

Basics

Value: 28253 → 28254 → 28255

Parity: even

Prime: No

Previous Prime: 28229

Next Prime: 28277

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 17 × 277

Divisors: 1, 2, 3, 6, 17, 34, 51, 102, 277, 554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111001011110

Octal: 67136

Duodecimal: 14426

Hexadecimal: 6e5e

Square: 798288516

Square Root: 168.08926200087856

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

y values corresponding to the·values in A023677. A23678

Triangle: T(n,k), k<=n: commutative groupoids with a nontrivial symmetry with n elements and k idempotents. A38023

Denominators of continued fraction convergents to sqrt(118). A41215

Number of nX3 0..4 arrays with each element equal to the number its horizontal and vertical neighbors unequal to itself. A195957

Write fundamental unit for real quadratic field of discriminant n as x + y*ω; sequence gives values of y for n == 2 mod 4. A53374

Engel expansion of sqrt(2). A28254

Array read by antidiagonals: T(n,k) is the number of unlabeled k-gonal cacti having n polygons. A332649

G.f. satisfies: A(A(x))² = A(x)² + 4·x³. A191565