Properties of the Number 65540

Sixty-Five Thousand Five Hundred Forty

Basics

Value: 65539 → 65540 → 65541

Parity: even

Prime: No

Previous Prime: 65539

Next Prime: 65543

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 29 × 113

Divisors: 1, 2, 4, 5, 10, 20, 29, 58, 113, 116

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000000000100

Octal: 200004

Duodecimal: 31B18

Hexadecimal: 10004

Square: 4295491600

Square Root: 256.00781238079435

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

Numbers that are the sum of 5 nonzero 8th powers. A3383

1/4 the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences. A209723

a(n) = 2ⁿ + 4. A140504

The positions i where A163355(i) = i, that is, the fixed points of permutation A163355. A163901

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

Sums of 2 distinct powers of 4. A38470

Sums of two powers of 4. A55236

a(n) = n⁸ + n. A196288

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

a(n) = n⁴+4 = (n²-2·n+2)*(n²+2·n+2) = ((n-1)²+1)*((n+1)²+1). A57781