Properties of the Number 7690

Seven Thousand Six Hundred Ninety

Basics

Value: 7689 → 7690 → 7691

Parity: even

Prime: No

Previous Prime: 7687

Next Prime: 7691

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 769

Divisors: 1, 2, 5, 10, 769, 1538, 3845, 7690

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000001010

Octal: 17012

Duodecimal: 454A

Hexadecimal: 1e0a

Square: 59136100

Square Root: 87.69264507357501

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

Coordination sequence for body-centered tetragonal lattice. A8527

Minimal number of people to give a 50% probability of having at least n coincident birthdays in one year. A14088

Engel expansion of L(3, chi3), where L(s, chi3) is the Dirichlet L-function for the non-principal character modulo 3. A129409

a(n) = a(n-1) + a(n-2) + a(n-3), with a(0) = 1, a(1) = a(2) = 8. A214830

Boris Stechkin's function. A55004

a(n) = (2·n-1)² + (2·n+1)². A108100

Number of partitions of n into at least two parts such that the product of largest and smallest part exceeds n. A116902

Number of 2 X 2 matrices with all terms in {0,1,...,n} and (sum of terms) = n + 4. A210376

Triangular array: For n >= 2 and 0 < k <= n - 2, T(n, k) equals the number of (unrooted) duplication trees on n gene segments that are canonical and whose leftmost visible duplication event is (k, r), for 1 <= r <= (n - k)/2. A264870

Numbers n such that 11ⁿ is the highest power of 11 dividing A240751(n). A286006