Properties of the Number 65816

Sixty-Five Thousand Eight Hundred Sixteen

Basics

Value: 65815 → 65816 → 65817

Parity: even

Prime: No

Previous Prime: 65809

Next Prime: 65827

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 19 × 433

Divisors: 1, 2, 4, 8, 19, 38, 76, 152, 433, 866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000000100011000

Octal: 200430

Duodecimal: 32108

Hexadecimal: 10118

Square: 4331745856

Square Root: 256.54629211898583

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

Index values for new maxima in A065925. A65926

Triangle T(n,k) = ∑_i=0..k (-1)^i+k*binomial(k,i)*∑_j=0..n (i+1)^j*(3n-3j+1) read by rows. A116923

Number of 3 X n 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303243

Numbers k such that the alternating sum of digits of k² is 0. A65816