Properties of the Number 9740

Nine Thousand Seven Hundred Forty

Basics

Value: 9739 → 9740 → 9741

Parity: even

Prime: No

Previous Prime: 9739

Next Prime: 9743

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 487

Divisors: 1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000001100

Octal: 23014

Duodecimal: 5778

Hexadecimal: 260c

Square: 94867600

Square Root: 98.69143833180262

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

Numbers k such that (68·10^k + 7)/3 is prime. A270613

Number of maximal primitive subsets of {1..n}. A326077

Nonnegative values·of solutions (x, y) to the Diophantine equation x² + (x+487)² = y². A207076

Seventh column of triangle A055252. A55583

a(n) = 250·n - 10. A154378

Antidiagonal sums of square table A086626. A86628

Number of isomorphism classes of simple quadrangulations of the sphere having n vertices and n-2 faces, minimal degree 3, with orientation-reversing isomorphisms forbidden. A113203

Parameters k for which the Tate-Shafarevich group Ш of the elliptic curve y²=x³-k has order 36. A179138

Number of 2 X 2 matrices with all terms in {0,1,...,n} and (sum of terms) = n + 5. A210377

T(n, k) = binomial(2·n - k, k - 1)*hypergeom([2, 2, 1 - k], [1, 2*(1 - k + n)], -1), triangle read by rows, T(n,k) for n >= 0 and 0 <= k <= n. A320906