Properties of the Number 68769

Sixty-Eight Thousand Seven Hundred Sixty-Nine

Basics

Value: 68768 → 68769 → 68770

Parity: odd

Prime: No

Previous Prime: 68767

Next Prime: 68771

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 283

Divisors: 1, 3, 9, 27, 81, 243, 283, 849, 2547, 7641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110010100001

Octal: 206241

Duodecimal: 33969

Hexadecimal: 10ca1

Square: 4729175361

Square Root: 262.23844111800236

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

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s. A297224

a(n) = ∑_k=1..n φ(gcd(k, n))^{n/gcd(k, n} - 1). A342542

Number of multisets of exactly n partitions of positive integers into distinct parts with total sum of parts equal to 2n. A285230

Numbers k such that 2·3^k + 7 is prime. A59326

Number of 4Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s. A297226

Generalized Catalan numbers 7·x*A(x)² -A(x) +1 -6·x=0. A68769