Properties of the Number 7880

Seven Thousand Eight Hundred Eighty

Basics

Value: 7879 → 7880 → 7881

Parity: even

Prime: No

Previous Prime: 7879

Next Prime: 7883

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 × 197

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 197, 394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111011001000

Octal: 17310

Duodecimal: 4688

Hexadecimal: 1ec8

Square: 62094400

Square Root: 88.76936408468859

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

a(n) is the solution to the postage stamp problem with 4 denominations and n stamps. A1209

Triangle of number of functions in a size n set for which the sequence of composition powers ends in a length k cycle. A222029

a(n) = n*(5·n-3). A135706

Array read by antidiagonals: T(m,n) is the number of induced paths in the grid graph P_m X P_n. A360199

Number of self-avoiding walks of length n from origin in strip Z X {0,1}. A38577

Expansion of ∏_{i>=1, j>=0} (1 + x^{i·3^j}) / (1 - x^{i·3^j}). A393555

Mixed partitions of n. A2096

Number of edges formed in a square by straight line segments when connecting the four corner vertices to the points dividing the sides into n equal parts. A355948

Pisot sequence E(5,17), a(n) = floor(a(n-1)² / a(n-2) + 1/2). A10914

Numerators of EH(n), the expected value of the height of a probabilistic skip list with n elements and p=1/2. A158466