Properties of the Number -11938

Eleven Thousand Nine Hundred Thirty-Eight

Basics

Value: -11939 → -11938 → -11937

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 47 × 127

Divisors: 1, 2, 47, 94, 127, 254, 5969, 11938

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10111010100010

Octal: -27242

Duodecimal: -6AAA

Hexadecimal: -2ea2

Square: 142515844

Square Root: 109.26115503691145

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) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangle of side n units having three vertices of a trapezoid inside the triangle. A391039

Coefficients arising in the enumeration of configurations of linear chains. A38747

Digitally balanced numbers (A031443) whose squares are also digitally balanced. A353139

Expansion of ∏_k>=0 (1+x^4·k+1)⁴. A261638

a(n) is the least multiple of n that is a "binary antipalindrome" (i.e., an element of A035928). A342582

a(0) = 1; a(n) = (1/3) * ∑_k=1..n (4^k-1) * a(k-1) * a(n-k). A376113

a(n) = (2·n+1)*(11·n+1). A33575

Number of nondecreasing strings of numbers x(i=1..6) in -n..n with sum x(i)³ equal to 0. A188280

Number of (n+1)X4 0..1 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in all its horizontal and vertical neighbors. A205067