Properties of the Number 65416

Sixty-Five Thousand Four Hundred Sixteen

Basics

Value: 65415 → 65416 → 65417

Parity: even

Prime: No

Previous Prime: 65413

Next Prime: 65419

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 13 × 17 × 37

Divisors: 1, 2, 4, 8, 13, 17, 26, 34, 37, 52

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111111110001000

Octal: 177610

Duodecimal: 31A34

Hexadecimal: ff88

Square: 4279253056

Square Root: 255.76551761330143

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

Octagonal numbers (A000567) in which parity of digits alternates. A297647

a(n) = 2ⁿ - n*(n-1)/2. A14844

Leading diagonal of triangle in A080521. A80522

Octagonal numbers which are the sums of exactly two positive octagonal numbers. A136346

a(1)=1; thereafter a(n) = 2^{number of bits in binary expansion of a(n-1}) + 1 + a(n-1). A232228

Number of connected subgraphs of the 12 X 12 grid graph induced by a vertex subset of size n. A262245

Number of length-4 0..n arrays with no repeated value greater than the previous repeated value. A269436

Decimal expansion of ∏_{p prime} (1-1/(p⁵-p⁴)). A65416