Properties of the Number 66256

Sixty-Six Thousand Two Hundred Fifty-Six

Basics

Value: 66255 → 66256 → 66257

Parity: even

Prime: No

Previous Prime: 66239

Next Prime: 66271

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 41 × 101

Divisors: 1, 2, 4, 8, 16, 41, 82, 101, 164, 202

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001011010000

Octal: 201320

Duodecimal: 32414

Hexadecimal: 102d0

Square: 4389857536

Square Root: 257.4024086911387

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 achiral colorings of the 8 triangular faces of a regular octahedron or the 8 vertices of a cube using n or fewer colors. A337897

Triangle read by rows: T(n,k) = number of ways of partitioning the (n+2)-element multiset {1,1,1,2,3,...,n} into exactly k nonempty parts, n >= 0 and 1 <= k <= n + 2. A291117

Number of length n 0..7 arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope. A245133

Number of length 7 0..n arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope. A245137

Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,1,3. A37720

Array read by descending antidiagonals: T(n,k) is the number of achiral colorings of the facets of a regular n-dimensional orthoplex using up to k colors. A325015

T(n,k)=Number of length n 0..k arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope. A245134

a(n) = k that produces the smallest integer m > 1 of the form m = (k² + n)/(n² + k). A66256