Properties of the Number 7156

Seven Thousand One Hundred Fifty-Six

Basics

Value: 7155 → 7156 → 7157

Parity: even

Prime: No

Previous Prime: 7151

Next Prime: 7159

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 1789

Divisors: 1, 2, 4, 1789, 3578, 7156

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111110100

Octal: 15764

Duodecimal: 4184

Hexadecimal: 1bf4

Square: 51208336

Square Root: 84.5931439302264

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

Discriminants of imaginary quadratic fields with class number 26 (negated). A351664

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s. A297762

Triangle T, read by rows, where the g.f. of row n of Tⁿ = (n² + y)ⁿ for 0 <= n <= 29, where Tⁿ denotes the n-th power of T considered as (lower-left) matrix. A132870

10-step Fibonacci sequence starting with 0,0,1,0,0,0,0,0,0,0. A251765

Number of self-avoiding walks on the cubic lattice trapped after n steps. A77817

Number of compositions (ordered partitions) of n into distinct squarefree parts. A331846

Column 0 of triangle A132870 (first 30 terms only). A132872

Total area under all nonnegative lattice paths from (0,0) to (n,0) where the allowed steps at (x,y) are (1,v) with v in {-1,0,...,max(y,1)}. A333107

Minimal value of sum(p(i)p(i+1),i=1..n), where p(n+1)=p(1), as p ranges over all permutations of {1,2,...,n}. A110611

Denominators of the convergents of the continued fraction for L(2, chi3), where L(s, chi3) is the Dirichlet L-function for the non-principal character modulo 3. A153068