Properties of the Number -138909

One Hundred Thirty-Eight Thousand Nine Hundred Nine

Basics

Value: -138910 → -138909 → -138908

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 19 × 2437

Divisors: 1, 3, 19, 57, 2437, 7311, 46303, 138909

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100001111010011101

Octal: -417235

Duodecimal: -68479

Hexadecimal: -21e9d

Square: 19295710281

Square Root: 372.70497716021987

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

a(n) = ∑_k=0..n binomial(n,k)³ * 2^k. A206178

Number of ways to place 3 nonattacking bishops on a 3 X n board. A172207

Number of vertices in truncated tetrahedron with faces that are centered polygons. A193218

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = ∑_j=0..n k^j * binomial(n,j)³. A336163

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = ∑_j=0..n 2^j * binomial(n,j)^k. A336203