Properties of the Number -7160

One Hundred Sixty

Basics

Value: -7161 → -7160 → -7159

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 × 179

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 179, 358

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101111111000

Octal: -15770

Duodecimal: -4188

Hexadecimal: -1bf8

Square: 51265600

Square Root: 84.61678320522472

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

Descending dungeons: for definition see Comments lines. A121295

T(n,k)=Number of length-n 0..k arrays with no adjacent pair x,x+1 followed at any distance by x+1,x. A268457

T(n,k)=Number of ways to reciprocally link elements of an nXk array either to themselves or to exactly two horizontal or antidiagonal neighbors. A220632

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not 2 4 5 or 7 and every diagonal and antidiagonal sum 2 4 5 or 7. A251876

Triangle read by rows: T(m,n) (m >= n >= 1) = number of regions formed by drawing the line segments connecting any two of the (m+1) X (n+1) lattice points in an m X n grid of squares and extending them to the boundary of the grid. A333282

Number of partitions of n into 7 or more distinct parts. A347574

Product of a prime number p and the number of primes smaller than p. A117495

n² + {1,3,7} are primes. A182238

4-Portolan numbers: number of regions formed by n-secting the angles of a square. A278823

Expansion of ∑_k>=1 k*(2·k - 1)*x^k/(1 - x^k). A278945