Properties of the Number -137804

One Hundred Thirty-Seven Thousand Eight Hundred Four

Basics

Value: -137805 → -137804 → -137803

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 47 × 733

Divisors: 1, 2, 4, 47, 94, 188, 733, 1466, 2932, 34451

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100001101001001100

Octal: -415114

Duodecimal: -678B8

Hexadecimal: -21a4c

Square: 18989942416

Square Root: 371.21961155089855

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

T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222794

Number of nX4 0..3 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222790

a(n) = A000071(n+1) + A000079(n-1) - A092176(n-1). A93304

Number of 5 X n 0..3 arrays with exactly floor(5 X n/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222798