Properties of the Number -6902

Nine Hundred Two

Basics

Value: -6903 → -6902 → -6901

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 17 × 29

Divisors: 1, 2, 7, 14, 17, 29, 34, 58, 119, 203

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101011110110

Octal: -15366

Duodecimal: -3BB2

Hexadecimal: -1af6

Square: 47637604

Square Root: 83.07827634225448

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

Expansion of (1+4·x+x²) / ((1-x)³*(1+x)⁴). A229834

Number of permutations satisfying i-4<=p(i)<=i+4, i=1..n (permutations of length n within distance 4). A72856

Pentagonal numbers with even index. A49452

Array read by antidiagonals: poly-Bernoulli numbers B(-k,n). A99594

Number A(n,k) of acyclic orientations of the Turán graph T(n,k); square array A(n,k), n>=0, k>=1, read by antidiagonals. A267383

Numbers k such that σ(k+2) = σ(k). A7373

a(n) = ∑_k=1..n ((k-1)!)²*Stirling2(n,k)². A48163

Number A(n,k) of permutations of [n] within distance k of a fixed permutation; square array A(n,k), n>=0, k>=0, read by antidiagonals. A306209

Numbers k such that k and k + 1 are both lazy-Lucas-Niven numbers (A351719). A351720

Triple primorial n### = n#3. A114411