Properties of the Number 87830

Eighty-Seven Thousand Eight Hundred Thirty

Basics

Value: 87829 → 87830 → 87831

Parity: even

Prime: No

Previous Prime: 87811

Next Prime: 87833

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 8783

Divisors: 1, 2, 5, 10, 8783, 17566, 43915, 87830

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011100010110

Octal: 253426

Duodecimal: 429B2

Hexadecimal: 15716

Square: 7714108900

Square Root: 296.36126602509984

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

Triangle read by rows: T(n,k) is the number of non-intersecting loops starting at (0,0) on the n X k torus consisting of steps up and to the right, 1 <= k <= n. A324604

Number of non-intersecting loops starting at (0,0) on the n X n torus consisting of steps up and to the right. A324603

Sum of the odd parts in the partitions of n into 9 parts. A309657

a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 3, -2, 1, 3. A25261

Consecutive repeats in A087831, the triple recursion skip two Hofstadter Q of the second sort. A87830