Properties of the Number 72746

Seventy-Two Thousand Seven Hundred Forty-Six

Basics

Value: 72745 → 72746 → 72747

Parity: even

Prime: No

Previous Prime: 72739

Next Prime: 72763

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 36373

Divisors: 1, 2, 36373, 72746

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110000101010

Octal: 216052

Duodecimal: 36122

Hexadecimal: 11c2a

Square: 5291980516

Square Root: 269.7146640433182

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 nX3 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302317

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302322

Number of pairs of primes (p, q) such that, for some integer k, (p+q)/2 = 2^k, 2^k-1 < p < q, and p <= n. A72746