Properties of the Number -201561

Two Hundred One Thousand Five Hundred Sixty-One

Basics

Value: -201562 → -201561 → -201560

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 67187

Divisors: 1, 3, 67187, 201561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110001001101011001

Octal: -611531

Duodecimal: -98789

Hexadecimal: -31359

Square: 40626836721

Square Root: 448.9554543604521

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

a(n) = a(n-1) + (n-2)*a(n-2) + a(n-3) starting a(0)=0, a(1)=a(2)=1. A121956

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AEI = AlPO4-18 [Al24P24O96] starting with a T1 atom. A18941