Properties of the Number 36181

Thirty-Six Thousand One Hundred Eighty-One

Basics

Value: 36180 → 36181 → 36182

Parity: odd

Prime: No

Previous Prime: 36161

Next Prime: 36187

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 97 × 373

Divisors: 1, 97, 373, 36181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1000110101010101

Octal: 106525

Duodecimal: 18B31

Hexadecimal: 8d55

Square: 1309064761

Square Root: 190.21303845951255

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

Array A read by upward antidiagonals in which the entry A(n,k) in row n and column k is defined by A(n, k) = 4ⁿ*(6·k - 3 - 2*(-1)ⁿ) + (4ⁿ - 1)/3, n,k >= 1. A371100

Odd numbers producing 4 odd numbers in the Collatz iteration. A198587

Pseudo-bricks with n nodes. A6292

Scale factor by which primitive Pythagorean triangle {x=A088509(n), y=A088510(n), z=A088511(n)} needs be enlarged in order to circumscribe the smallest integral square having a side on the hypotenuse. A88544

Odd numbers producing 20 even numbers in the Collatz iteration. A199818

Numbers k such that the continued fraction for sqrt(k) has period 85. A20424

Numbers n such that sigma₃(n) is divisible by square of cototient of n, while n is not a prime number. A91286

a(n) = (∑_k=0..n-1 (8·k²+12·k+5)*A244973(k))/n². A245088

Numbers k such that k!6 - 48 is prime, where k!6 is the sextuple factorial number (A085158). A289701

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 42. A31630