Properties of the Number -167643

One Hundred Sixty-Seven Thousand Six Hundred Forty-Three

Basics

Value: -167644 → -167643 → -167642

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 887

Divisors: 1, 3, 7, 9, 21, 27, 63, 189, 887, 2661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000111011011011

Octal: -507333

Duodecimal: -81023

Hexadecimal: -28edb

Square: 28104175449

Square Root: 409.4423036277517

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

G.f.: A(q) = exp( ∑_n>=1 A002129(n) * 3·A038500(n) * qⁿ/n ). A161804

A trisection of A161804: a(n) = A161804(3n+2) for n>=0. A161807

Constant term of the reduction by x² -> x+1 of the polynomial p(n,x) defined below in Comments. A192421