Properties of the Number 75316

Seventy-Five Thousand Three Hundred Sixteen

Basics

Value: 75315 → 75316 → 75317

Parity: even

Prime: No

Previous Prime: 75307

Next Prime: 75323

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 19 × 991

Divisors: 1, 2, 4, 19, 38, 76, 991, 1982, 3964, 18829

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011000110100

Octal: 223064

Duodecimal: 37704

Hexadecimal: 12634

Square: 5672499856

Square Root: 274.4376067524274

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) = a(n-1) + 3·a(n-2) for n > 1, a(0) = a(1) = 1. A6130

Number of lone-child-avoiding locally disjoint rooted identity trees whose leaves form an integer partition of n. A316694

a(n) = (-1)*a(n-1) + 3·a(n-2) with a(1)=-1 and a(2)=1. A140167

a(n) = 3·a(n-2) - a(n-1) for n > 1, a(0) = 0, a(1) = 1. A182228

G.f.: ∑_n>=1 Fibonacci(n+1) * xⁿ / (1 - xⁿ). A245282

n written in fractional base 9/7. A24655

Array read by antidiagonals for k,n>=0: T(n,k) = number of tilings of a 2k X n rectangle using dominos and 2 X 2 right triangles. A362297

(Number of 4 X 4 pandiagonal magic squares with distinct positive entries less than n)/384. A317252

Pair the natural numbers such that the n-th pair is (k, k+p(n)) where k is the smallest number not occurring earlier and p(n) is the n-th prime. (1, 3), (2, 5), (4, 9), (6, 13), (7, 18), (8, 21), (10, 27), (11, 30), (12, 35), (14, 43), ... This is the sequence of the product of the members of every pair. A75316