Properties of the Number -101205

One Hundred One Thousand Two Hundred Five

Basics

Value: -101206 → -101205 → -101204

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 13 × 173

Divisors: 1, 3, 5, 9, 13, 15, 39, 45, 65, 117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11000101101010101

Octal: -305525

Duodecimal: -4A699

Hexadecimal: -18b55

Square: 10242452025

Square Root: 318.1273329973393

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 positive meanders (walks starting at the origin and ending at any altitude > 0 that never touch or go below the x-axis in between) with n steps from {-4,-3,-2,-1,0,1,2,3,4}. A278393

a(n) = n*(n+1)*(n+2)*(n²+2·n+17)/120. A257199