Properties of the Number 65688

Sixty-Five Thousand Six Hundred Eighty-Eight

Basics

Value: 65687 → 65688 → 65689

Parity: even

Prime: No

Previous Prime: 65687

Next Prime: 65699

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 17 × 23

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000000010011000

Octal: 200230

Duodecimal: 32020

Hexadecimal: 10098

Square: 4314913344

Square Root: 256.2967030611202

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

Expansion of (1+x-2·x²-2·x³) / (1-6·x²-4·x³+2·x⁴). A384633

Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k valleys. A101282

Number of subsets of {1..n} whose elements have the same number of divisors. A339514

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k DL's (n>=0; 0<=k<=floor(n/2)). A128731

Numbers n such that prime(n) contains a substring of all the prime digits in order, i.e., "2357". A295708

First prime in the smallest (nontrivial) prime k-tuplet. A65688

Number of nX3 0..3 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..3 introduced in row major order. A241115