Properties of the Number 66366

Sixty-Six Thousand Three Hundred Sixty-Six

Basics

Value: 66365 → 66366 → 66367

Parity: even

Prime: No

Previous Prime: 66361

Next Prime: 66373

Digit Sum: 27

Digital Root: 9

Palindrome: Yes

Factorization: 2 × 3 ³ × 1229

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 1229, 2458

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001100111110

Octal: 201476

Duodecimal: 324A6

Hexadecimal: 1033e

Square: 4404445956

Square Root: 257.615993292342

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

Number of unsensed planar maps with n edges. A6385

Triangle read by rows: T(n,k) is the number of unsensed combinatorial maps with n edges and genus k, 0 <= k <= floor(n/2). A379439

Number of free generators of degree n of symmetric polynomials in 4 noncommuting variables. A124292

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 8. A252473

Palindromes in A082939. A82940

Numbers having four 6's in base 10. A43516

Number of triangular partitions of n. A89647

Number of n X 3 0..2 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the sum of elements above it, modulo 3. A238807

Number of length n+5+2 0..5 arrays with every value 0..5 appearing at least once in every consecutive 5+3 elements, and new values 0..5 introduced in order. A242320

Number of (n+2)X(2+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 8. A252467