Properties of the Number 1486

One Thousand Four Hundred Eighty-Six

Basics

Value: 1485 → 1486 → 1487

Parity: even

Prime: No

Previous Prime: 1483

Next Prime: 1487

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 743

Divisors: 1, 2, 743, 1486

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111001110

Octal: 2716

Duodecimal: A3A

Hexadecimal: 5ce

Square: 2208196

Square Root: 38.54867053479276

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

Expansion of ((1 + x - 2x²) + (1+x)*sqrt(1-4x²))/(2(1-4x²)). A116406

Triangle read by rows of partial sums of binomial coefficients: T(n,k) = ∑_i=0..k binomial(n,i) (0 <= k <= n); also dimensions of Reed-Muller codes. A8949

a(n) = 1 + n + 2·n². A84849

Expansion of (sqrt(1 - 4·x) + (1 - 2·x))/(2*(1 - 4·x)). A114121

Inverse Moebius transform of triangular numbers. A7437

Number of different score sequences that are possible in an n-team round-robin tournament. A571

Semiprimes of form prime - 1. A77065

a(n) = (-11·n⁵ + 145·n⁴ - 635·n³ + 1115·n² - 494·n + 120)/120. A161706

a(n) = 2ⁿ - C(n,0) - ... - C(n,4). A2664

a(n) = ∑_k=0..6 binomial(n,k). A8859