Properties of the Number 27166

Twenty-Seven Thousand One Hundred Sixty-Six

Basics

Value: 27165 → 27166 → 27167

Parity: even

Prime: No

Previous Prime: 27143

Next Prime: 27179

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 17 ² × 47

Divisors: 1, 2, 17, 34, 47, 94, 289, 578, 799, 1598

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110101000011110

Octal: 65036

Duodecimal: 1387A

Hexadecimal: 6a1e

Square: 737991556

Square Root: 164.8211151521552

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 T(n,k) of isoscent sequences of length n with exactly k descents; triangle T(n,k), n>=0, 0<=k<=n+2-ceiling(2·sqrt(n+1)), read by rows. A242352

Apply partial sum operator thrice to primes. A14150

Numbers k such that σ(k) = ψ(k) + τ(k)². A390296

Total number of parts in all partitions of n into relatively prime parts. A85410

Number of integers k such that φ(k) = 10ⁿ. A72074

Number of isoscent sequences of length n with exactly one descent. A243474

a(n) = 94·n². A174337

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

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 491", based on the 5-celled von Neumann neighborhood. A272541

a(n) = ∑_0<=j<=i<=n A027157(i, j). A27166