Properties of the Number -7042

Forty-Two

Basics

Value: -7043 → -7042 → -7041

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 503

Divisors: 1, 2, 7, 14, 503, 1006, 3521, 7042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1101110000010

Octal: -15602

Duodecimal: -40AA

Hexadecimal: -1b82

Square: 49589764

Square Root: 83.916625289629

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

Partition function coefficients for square lattice spin 2 Ising model. A10108

Non-palindromic balanced numbers in base 16. A256080

Triangle read by rows: T(n,k) is the number of nonisomorphic binary n X n matrices with k 1's per column under row and column permutations. A304942

Numbers n such that sopf(φ(n)) = φ(sopf(n)), where sopf(x) = sum of the distinct prime factors of x. A76531

Number T(n,k) of colored compositions of n using all colors of a k-set such that all parts have different color patterns and the patterns for parts i have i colors in (weakly) increasing order; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A327245

G.f.: ∑_k>=1 (x^k*(k+1) * ∏_j=1..k (1 + x^j)/(1 - x^j)). A333374

Number of nonisomorphic binary n X n matrices with two 1's per column under row and column permutations. A247417

Number of self-avoiding polygons with perimeter 2·n and sides = 1 that have vertex angles from the set +-π/9, +-3*π/9, +-5*π/9, +-7*π/9, not counting rotations and reflections as distinct. A316199

Boustrophedon transform of triangular numbers. A746

a(n) = 36·n² - n. A157286