Properties of the Number 75318

Seventy-Five Thousand Three Hundred Eighteen

Basics

Value: 75317 → 75318 → 75319

Parity: even

Prime: No

Previous Prime: 75307

Next Prime: 75323

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 12553

Divisors: 1, 2, 3, 6, 12553, 25106, 37659, 75318

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011000110110

Octal: 223066

Duodecimal: 37706

Hexadecimal: 12636

Square: 5672801124

Square Root: 274.44125054371835

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

n written in fractional base 9/7. A24655

Triangle, read by rows, defined by T(n,k) = T(n-1,k) + T(n,k-1) for nk>0, where T(n,0) = T(n-1,0) + T(n-1,n-1) and T(n,n) = T(n,n-1) for n>0 with T(0,0)=1. A129577

Number of tilings of a 2 X n rectangle using integer-sided rectangular tiles of equal area. A220768

Pair the odd numbers such that the k-th pair is (r, r+2k) where r is the smallest odd number not included earlier: (1,3),(5,9),(7,13),(11,19),(15,25),(17,29),(21,35),(23,39),(27,45),... This is the sequence of the second member of pairs. A75318

Number of nX5 0..1 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors. A202976

Number of nX5 0..1 arrays with no element less than a strict majority of its horizontal and vertical neighbors. A231379