Properties of the Number 8177

Eight Thousand One Hundred Seventy-Seven

Basics

Value: 8176 → 8177 → 8178

Parity: odd

Prime: No

Previous Prime: 8171

Next Prime: 8179

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 13 × 17 × 37

Divisors: 1, 13, 17, 37, 221, 481, 629, 8177

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111110001

Octal: 17761

Duodecimal: 4895

Hexadecimal: 1ff1

Square: 66863329

Square Root: 90.4267659490264

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 T(n,k) of associated Stirling numbers of second kind, n >= 2, 1 <= k <= floor(n/2). A8299

Multiples of 17 containing a 17 in their decimal representation. A121037

Pentagonal numbers with even index. A49452

a(n) = n*(5·n² - 2)/3. A4466

a(n) = 2ⁿ - n - 2. A247

Number of 2 X 2 singular integer matrices with elements from {0,...,n}. A59306

Numbers k such that σ(k) = σ(k+6). A15866

Squarefree integers m > 1 such that if prime p divides m, then the sum of the base p digits of m is at least p. A324315

4th binomial transform of (1,0,1,0,1,...), A059841. A81186

Numbers n such that φ(n)=2*φ(n-1). A171271