Properties of the Number 7308

Seven Thousand Three Hundred Eight

Basics

Value: 7307 → 7308 → 7309

Parity: even

Prime: No

Previous Prime: 7307

Next Prime: 7309

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 × 29

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110010001100

Octal: 16214

Duodecimal: 4290

Hexadecimal: 1c8c

Square: 53406864

Square Root: 85.48684109265004

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) = 2·binomial(n,3). A7290

Triangle T(n,k) read by rows: associated Stirling numbers of first kind (n >= 2, 1 <= k <= floor(n/2)). A8306

Triangular array read by rows: T(n, k) = binomial(n, k) * A000129(n - k) for 0 <= k < n. A367211

a(n) = (prime(n)+1)*(prime(n+1)+1)/4. A79079

T(n, k) = [x^k] (-1)ⁿ*∑_k=0..n E2(n, n-k)*(1+x)^n-k where E2(n, k) are the second-order Eulerian numbers. Triangle read by rows, T(n, k) for n >= 1 and 0 <= k <= n. A111999

Numbers k such that σ(x) = k has exactly 6 solutions. A60662

Number T(n,k) of standard Young tableaux of n cells and height >= k; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A182222

T(n,k)=Number of nXk 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4. A240284

Number of ways to write n as an ordered sum of 9 squares of positive integers. A340946

Associated Stirling numbers. A276