Properties of the Number 65216

Sixty-Five Thousand Two Hundred Sixteen

Basics

Value: 65215 → 65216 → 65217

Parity: even

Prime: No

Previous Prime: 65213

Next Prime: 65239

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁶ × 1019

Divisors: 1, 2, 4, 8, 16, 32, 64, 1019, 2038, 4076

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111111011000000

Octal: 177300

Duodecimal: 318A8

Hexadecimal: fec0

Square: 4253126656

Square Root: 255.3742351921979

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

10-step Fibonacci sequence starting with 0,0,0,0,0,0,0,0,1,0. A251759

G.f. A(x) satisfies: 2·x*A(x) = ∑_n=-oo..+oo (-1)ⁿ * x^n*(n+1/2) * A(x)ⁿ. A355362

Consecutive states of the linear congruential pseudo-random number generator (25173·s+13849) mod 2¹⁶ when started at s=1. A383940

Number of initial odd numbers in class n of the iterated φ function. A92878

Number of Dyck n-paths all of whose ascents and descents have prime lengths. A210735

G.f. satisfies A(x) = A(x² + x³)/x² - 1. A389472

Numerator of I(n) = (-1) * Integral_x=0..4ⁿ (1-x^3/2) dx. A94506

Numbers which need eleven 'Reverse and Add' steps to reach a palindrome. A65216