Properties of the Number -166520

One Hundred Sixty-Six Thousand Five Hundred Twenty

Basics

Value: -166521 → -166520 → -166519

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5 × 23 × 181

Divisors: 1, 2, 4, 5, 8, 10, 20, 23, 40, 46

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000101001111000

Octal: -505170

Duodecimal: -80448

Hexadecimal: -28a78

Square: 27728910400

Square Root: 408.0686216802267

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

Triangle, read by rows, where row n equals the coefficients of y^k in R_n-1(y+y²) for k=1..n where R_n(y) is the n-th row polynomial in y for n>1 with R₁(y)=y. A187005

Total runs-resistance of all binary vectors of length n. A319415