Properties of the Number 28074

Twenty-Eight Thousand Seventy-Four

Basics

Value: 28073 → 28074 → 28075

Parity: even

Prime: No

Previous Prime: 28069

Next Prime: 28081

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 4679

Divisors: 1, 2, 3, 6, 4679, 9358, 14037, 28074

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110110101010

Octal: 66652

Duodecimal: 142B6

Hexadecimal: 6daa

Square: 788149476

Square Root: 167.55297669692413

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

G.f. A(x) satisfies A(x) = 1 + x·A(x·A(x)²)². A143508

Numbers k such that 459·2^k+1 is prime. A323199

Lesser of 2 successive sphenic numbers (k, k+4) sandwiching 3 consecutive nonsquarefree numbers. A363830

Number of subsets of {1,2,...,n} such that no two elements differ by 1, 2, or 5. A375980

a(n) = round(10000·log₂(n)). A4269

a(n) = ceiling(10000·log₂(n)). A4270

Number of tilings of an n X 10 rectangle using integer-sided rectangular tiles of area n. A220135

Expansion of 1/((1-3x)(1-6x)(1-7x)(1-8x)). A28074