Properties of the Number 7876

Seven Thousand Eight Hundred Seventy-Six

Basics

Value: 7875 → 7876 → 7877

Parity: even

Prime: No

Previous Prime: 7873

Next Prime: 7877

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 11 × 179

Divisors: 1, 2, 4, 11, 22, 44, 179, 358, 716, 1969

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111011000100

Octal: 17304

Duodecimal: 4684

Hexadecimal: 1ec4

Square: 62031376

Square Root: 88.74683092933516

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

Second 10-gonal (or decagonal) numbers: n*(4·n+3). A33954

Total number of positive integers below 10ⁿ requiring 10 positive biquadrates in their representation as sum of biquadrates. A186665

Self-convolution of 1 2 3 5 7 11 15 22 30 42 56 77 ... (A000041). A48574

Right-angled numbers with an internal digit as the vertex. A135602

a(n) = (9·n² - 3·n + 2)/2. A80855

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors. A237859

Numbers n such that (nⁿ-2)/(n-2) is an integer. A242787

Irregular table read by rows: Take a diagonal-edged (or diamond-shaped) checkerboard with all diagonals drawn, as in A333434. Then T(n,k) = number of k-sided polygons in that figure for k >= 3. A333458

a(n) = ∑_k=0..n f(k)*f(n-k) where f(k) = A002124(k). A2125

Number of partitions of 2n whose Ferrers-Young diagram allows more than one different domino tiling. A52837