Properties of the Number 27201

Twenty-Seven Thousand Two Hundred One

Basics

Value: 27200 → 27201 → 27202

Parity: odd

Prime: No

Previous Prime: 27197

Next Prime: 27211

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 9067

Divisors: 1, 3, 9067, 27201

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110101001000001

Octal: 65101

Duodecimal: 138A9

Hexadecimal: 6a41

Square: 739894401

Square Root: 164.92725669215505

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

Narayana's cows sequence: a(0) = a(1) = a(2) = 1; thereafter a(n) = a(n-1) + a(n-3). A930

Bisection of A000930. A2478

a(n) = a(n-1) + a(n-3) for n >= 3, with a(0) = 1, a(1) = a(2) = 0. This recurrence can also be used to define a(n) for n < 0. A78012

a(n) = n-1, if n <= 2, otherwise A107458(n-1) + A107458(n-2). A135851

Number of ways to tile a 2 X n room with 1 X 2 Tatami mats. At most 3 Tatami mats may meet at a point. A68921

Expansion of (1-x)/(1-4·x+3·x²-x³). A124820

Number of (17,11)-reverse multiples with n digits. A226916

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 777", based on the 5-celled von Neumann neighborhood. A283916

a(n) = ∑_k=0..2·n binomial(2·k,2·n-k). A391594

Number of elements in Z[ i ] whose 'smallest algorithm' is <= n. A6457