Properties of the Number -168420

One Hundred Sixty-Eight Thousand Four Hundred Twenty

Basics

Value: -168421 → -168420 → -168419

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 7 × 401

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001000111100100

Octal: -510744

Duodecimal: -81570

Hexadecimal: -291e4

Square: 28365296400

Square Root: 410.3900583591177

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) = n⁴ + n³ + n² + n. A27445

Number of ways to choose four collinear points from an n X n grid. A178256

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

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