Properties of the Number 66294

Sixty-Six Thousand Two Hundred Ninety-Four

Basics

Value: 66293 → 66294 → 66295

Parity: even

Prime: No

Previous Prime: 66293

Next Prime: 66301

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 29 × 127

Divisors: 1, 2, 3, 6, 9, 18, 29, 58, 87, 127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 10000001011110110

Octal: 201366

Duodecimal: 32446

Hexadecimal: 102f6

Square: 4394894436

Square Root: 257.47621249350397

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 length n+4 0..k arrays with no pair in any consecutive five terms totalling exactly k. A246737

Numbers k such that the k-th triangular number contains each of the 10 decimal digits exactly once. A115939

Number of length n+4 0..5 arrays with no pair in any consecutive five terms totalling exactly 5. A246734

Number of length 4+4 0..n arrays with no pair in any consecutive five terms totalling exactly n. A246741

Number of rooted identity trees with n nodes and 4 leaves. A55329

a(n) = A000203(n)² - A001157(n) - 2n = σ(n)² - sigma₂(n) - 2n. A66294

Number of nX3 0..2 arrays avoiding the pattern z-2 z-1 z in any row or column. A206695

Number of (1+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards. A233498

Number of (1+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards. A233619