Properties of the Number 28634

Twenty-Eight Thousand Six Hundred Thirty-Four

Basics

Value: 28633 → 28634 → 28635

Parity: even

Prime: No

Previous Prime: 28631

Next Prime: 28643

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 103 × 139

Divisors: 1, 2, 103, 139, 206, 278, 14317, 28634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111111011010

Octal: 67732

Duodecimal: 146A2

Hexadecimal: 6fda

Square: 819905956

Square Root: 169.2158385021922

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 of nonisomorphic semigroups of order n. A27851

a(n) = Fibonacci(n) - n. A65220

If Fibonacci(prime(k)) is prime, append Fibonacci(prime(k)) - prime(k) to the sequence. A134788

Numbers k such that the prime gap between the consecutive primes p1 < k² < p2 sets a new record. A350100

Number of compositions (ordered partitions) of n into Lucas numbers (beginning with 1) (A000204). A288039

Number of peaks at even level in all nondecreasing Dyck paths of semilength n. A nondecreasing Dyck path is a Dyck path for which the sequence of the altitudes of the valleys is nondecreasing. A121486

Number of partitions of n³ into distinct cubes > 1. A298848

Decimal expansion of -109/121 - 82/(121·sqrt(3)) + (2·sqrt(-35139 + 28634·sqrt(3)))/121 - π/3 + arccos((-1 + sqrt(3))/2). A93822

Number of right triangles on a (n+1)X9 grid. A189813

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (F(2), F(3), F(4), ...), t = A014306. A25110