Properties of the Number 40684

Forty Thousand Six Hundred Eighty-Four

Basics

Value: 40683 → 40684 → 40685

Parity: even

Prime: No

Previous Prime: 40639

Next Prime: 40693

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 7 × 1453

Divisors: 1, 2, 4, 7, 14, 28, 1453, 2906, 5812, 10171

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111011101100

Octal: 117354

Duodecimal: 1B664

Hexadecimal: 9eec

Square: 1655187856

Square Root: 201.7027515925353

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 q·f(-q²⁰) / (f(q) * χ(-q⁵)) in powers of q where f(), χ() are Ramanujan θ functions. A145724

Number of length 4 1..(n+2) arrays with no leading partial sum equal to a prime and no consecutive values equal. A255719

a(n) = n·2^2·n-2 + n·binomial(2·n,n)/2. A339240

Negated coefficients of Chebyshev T polynomials: a(n) = -A053120(n+14, n), n >= 0. A209404

Continued fraction for sqrt(711). A40684