Properties of the Number 16040

Sixteen Thousand Forty

Basics

Value: 16039 → 16040 → 16041

Parity: even

Prime: No

Previous Prime: 16033

Next Prime: 16057

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 5 × 401

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 401, 802

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11111010101000

Octal: 37250

Duodecimal: 9348

Hexadecimal: 3ea8

Square: 257281600

Square Root: 126.64912159190051

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

Number of ways to split a strict integer partition of n into contiguous subsequences all having different sums. A336132

Numbers which are the roots of distinct not-previously-encountered side-trees ("tendrils") sprouting from the side of the infinite beanstalk (see A213730). A218612

a(n) = 10·n²+n. A55437

G.f.: (1 + 5·x + 5·x² + x³)/∏_i=1..10 (1 - xⁱ). A256977

Denominators of continued fraction convergents to sqrt(402). A41763

Numbers k such that 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)-1 and 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)+1 are twin primes with p(h) = h-th prime. A129310

a(n) = 4·n*(4·n² + 1). A144965

a(n) = 8000·n + 40. A157663

Expansion of 1/sqrt((1 - x³ - x⁴)² - 4·x⁷). A376721

Number of Dyck paths of knight moves. A5222