Properties of the Number -177147

One Hundred Seventy-Seven Thousand One Hundred Forty-Seven

Basics

Value: -177148 → -177147 → -177146

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ¹¹

Divisors: 1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101011001111111011

Octal: -531773

Duodecimal: -86623

Hexadecimal: -2b3fb

Square: 31381059609

Square Root: 420.8883462392372

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Scaled Chebyshev U-polynomials evaluated at sqrt(3)/2; expansion of 1/(1 - 3·x + 3·x²). A57083

Expansion of bracket function. A748

Inverse binomial transform of A140962. A141413

Triangle T, read by rows, where matrix power T³ has powers of 3 in the secondary diagonal: [T³](n+1,n) = 3ⁿ⁺¹, with all 1's in the main diagonal and zeros elsewhere. A117252

a(n)=4a(n-1)-7a(n-2)+6a(n-3)-3a(n-4), n>4. A140343

Expansion of (1 - 3x)/(1 + 3·x²). A128019

G.f.: A(x) = 1 + x/exp( ∑_k>=1 (A((-1)^k*x) - 1)^k/k ). A157674

a(2n+1)=3a(2n)-3a(2n-1)+2a(2n-2), a(2n+2)=3a(2n+1)-3a(2n), a(0)=a(1)=a(2)=1. A131292

a(n) = 3·a(n-2) for n > 2; a(1) = 3, a(2) = -1. A162852

Powers of -3: a(n) = (-3)ⁿ. A352779