Properties of the Number 73816

Seventy-Three Thousand Eight Hundred Sixteen

Basics

Value: 73815 → 73816 → 73817

Parity: even

Prime: No

Previous Prime: 73783

Next Prime: 73819

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 9227

Divisors: 1, 2, 4, 8, 9227, 18454, 36908, 73816

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000001011000

Octal: 220130

Duodecimal: 36874

Hexadecimal: 12058

Square: 5448801856

Square Root: 271.6910009551292

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

a(n) = 1 + (6 + (11 + (6 + n)*n)*n)*n/24. A145126

Triangle read by rows: row n gives coefficients of increasing powers of·in characteristic polynomial of the matrix (-1)ⁿ*M_n, where M_n is the tridiagonal matrix defined in the Comments line. A124037

Triangle read by rows: matrix inverse of A110877. A126126

Number of rules of a context-free grammar in Chomsky normal form that generates all permutations of n symbols. A90328

Number of arrangements of 4 nonzero numbers x(i) in -n..n with the sum of floor(x(i)/x(i+1)) equal to zero. A189500

a(n) = 2^σ(n) mod n. A73816