Properties of the Number -66656

Sixty-Six Thousand Six Hundred Fifty-Six

Basics

Value: -66657 → -66656 → -66655

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 2083

Divisors: 1, 2, 4, 8, 16, 32, 2083, 4166, 8332, 16664

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000010001100000

Octal: -202140

Duodecimal: -326A8

Hexadecimal: -10460

Square: 4443022336

Square Root: 258.1782330096788

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

Numbers having four 6's in base 10. A43516

Triangle T, read by rows, T(n,k) = T(n-k)*2^k*(n-k) such that column 0 of the matrix square of T equals column 0 of T shifted left: [T²](n,k) = T(n-k+1,0)*2^k*(n-k) for n>=k>=0. A118024

Moving the rightmost digit of a number to place it furthest to the left adds 9 to the number. A363820

a(n) contains n digits (either '5' or '6') and is divisible by 2ⁿ. A53336

Column 0 of triangle A118024; also, column 0 of the matrix square of A118024 equals this sequence shifted 1 place left. A118025

Number of nondecreasing -n..n vectors of length 3 whose dot product with some nonincreasing -n..n vector equals 3. A226400