Properties of the Number -6156

One Hundred Fifty-Six

Basics

Value: -6157 → -6156 → -6155

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁴ × 19

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 19, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1100000001100

Octal: -14014

Duodecimal: -3690

Hexadecimal: -180c

Square: 37896336

Square Root: 78.46018098373213

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 + x)² / ((1 - x)²*(1 + 2·x + 2·x²)²). A322040

a(n) = (17 - 2·n)*n². A15234

a(n) = n²*(n+1). A11379

Expansion of g.f.: (1+x)/(1-18·x). A170738

a(n) = ∑_k=1..n k*σ(k). A143128

Triangle T(n,k), read by rows, given by (2,1/2,3/2,0,0,0,0,0,0,0,...) δ (0,1/2,-1/2,0,0,0,0,0,0,0,...) where δ is the operator defined in A084938. A201730

Paradigm shift sequence for (4,5) production scheme with replacement. A246099

Paradigm shift sequence for (5,5) production scheme with replacement. A246103

Positive numbers whose product of digits is 10 times their sum. A62043

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2. A275352