Properties of the Number 65544

Sixty-Five Thousand Five Hundred Forty-Four

Basics

Value: 65543 → 65544 → 65545

Parity: even

Prime: No

Previous Prime: 65543

Next Prime: 65551

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 2731

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 2731, 5462

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000000001000

Octal: 200010

Duodecimal: 31B20

Hexadecimal: 10008

Square: 4296015936

Square Root: 256.01562452319195

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) = 4ⁿ + n. A158879

Numbers of the form m = 2ⁱ + 2^j, where i > j >= 0, such that m - 1 is prime. A239708

a(n) = 8*(2ⁿ + 1). A175161

Positions in A212200 where successive new numbers (see A212203) appear. A212204

a(n) = A106315(A156552(n)). A324051

Number of ways of 4-coloring a map in which there is a central circle surrounded by an annulus divided into n-1 regions. There are n regions in all. A90860

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 64. A31742

a(n) = ((1 + 3·sqrt(2))*(4 + sqrt(2))ⁿ + (1 - 3·sqrt(2))*(4 - sqrt(2))ⁿ)/2. A163615

a(n) = 2ⁿ + ceiling(n/2). A134522

Semi-sums (means) of a Fermat prime and a Mersenne prime. A174057