Properties of the Number -168001

One Hundred Sixty-Eight Thousand One

Basics

Value: -168002 → -168001 → -168000

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 43 × 3907

Divisors: 1, 43, 3907, 168001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001000001000001

Octal: -510101

Duodecimal: -81281

Hexadecimal: -29041

Square: 28224336001

Square Root: 409.87925051165985

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

Sum of distinct powers of 20; i.e., numbers with digits in {0,1} base 20; i.e., write n in base 2 and read as if written in base 20. A63012

Numbers k such that 24 plus the k-th triangular number is a perfect square. A154150

Let the binary expansion of n be [b_d, b_d-1, ..., b₃, b₂, b₁, b₀]_2, where (if n>0) b_d = 1, b_i = 0 or 1 for i<d. To get a(n) concatenate the decimal numbers 2^b_i (if b_i = 1) or 0 (if b_i = 0). A302205

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (0, 1, 0), (1, -1, 1), (1, 0, -1)}. A148399