Properties of the Number 8040

Eight Thousand Forty

Basics

Value: 8039 → 8040 → 8041

Parity: even

Prime: No

Previous Prime: 8039

Next Prime: 8053

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 67

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1111101101000

Octal: 17550

Duodecimal: 47A0

Hexadecimal: 1f68

Square: 64641600

Square Root: 89.66604708583958

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

Coefficients of Jacobi cusp form of index 1 and weight 12. A3785

Record gaps between twin primes. A113274

a(n) = ∑_d∣3 φ(d)*n^3/d. A54602

Number of integer partitions of n with a different mean, median, and mode, assuming there is a unique mode. A363725

a(n) = ∑_k=0..n T(n,k), T given by A026758. A26765

Numbers k such that φ(x) = k has exactly 9 solutions. A60672

a(n) is the smallest nonnegative integer such that a(n)! contains a string of exactly n consecutive 3's. A254448

Triangle read by rows: T(n,k) is the number of simple connected graphs on n unlabeled nodes having chromatic number k, 1 <= k <= n. A84269

a(n) = n*(14·n - 1). A195024

Denominators of continued fraction convergents to sqrt(101). A41181