Properties of the Number -2938

Nine Hundred Thirty-Eight

Basics

Value: -2939 → -2938 → -2937

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 113

Divisors: 1, 2, 13, 26, 113, 226, 1469, 2938

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101111010

Octal: -5572

Duodecimal: -184A

Hexadecimal: -b7a

Square: 8631844

Square Root: 54.20332093147061

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 / (1 + ∑_i>=1 ∑_j=1..i x^i·j). A327799

Number of partitions of 1 into n powers of 1/2; or (according to one definition of "binary") the number of binary rooted trees. A2572

Number of self-avoiding polygons of length 2n on square lattice (not allowing rotations). A2931

a(n) = n*(n + 1)*(n² - 3·n + 5)/6. A6484

Row sums of A168281. A168380

Number of integer partitions of n where the parts do not have the same median as the distinct parts. A360244

Array T(n,k) read by antidiagonals: T(n,k) is the number of [n,k]-triangulations in the plane, n >= 0, k >= 0. A169808

Numbers k such that for any positive integers (a, b), if a·b = k then a + b is prime. A80715

Number of points of L1 norm 3 in cubic lattice Zⁿ. A35597

T(n,k) is the number of n-bead necklaces labeled with numbers -k..k allowing reversal, with sum zero and first differences in -k..k. A209032