Properties of the Number 28249

Twenty-Eight Thousand Two Hundred Forty-Nine

Basics

Value: 28248 → 28249 → 28250

Parity: odd

Prime: No

Previous Prime: 28229

Next Prime: 28277

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 13 × 41 × 53

Divisors: 1, 13, 41, 53, 533, 689, 2173, 28249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111001011001

Octal: 67131

Duodecimal: 14421

Hexadecimal: 6e59

Square: 798006001

Square Root: 168.07438829280326

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

Number T(n,k) of standard Young tableaux for partitions of n into exactly k distinct parts; triangle T(n,k), n>=0, 0<=k<=A003056(n), read by rows. A219311

Number of Greek-key tours on a 4 X n board; i.e., self-avoiding walks on 4 X n grid starting in top left corner. A46995

Number of standard Young tableaux for partitions of n into exactly 3 distinct parts. A219316

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + 2·b(n-1) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4. A294420

Numbers k such that the continued fraction for sqrt(k) has period 81. A20420

Total area of all trapezoids with bases p+q, q-p and height p·q with p,q prime, n = p+q and p < q. A335187

Molien series for complete weight enumerator of self-dual code over GF(4) containing 1ⁿ. A28249