Properties of the Number 40057

Forty Thousand Fifty-Seven

Basics

Value: 40056 → 40057 → 40058

Parity: odd

Prime: No

Previous Prime: 40039

Next Prime: 40063

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 41 × 977

Divisors: 1, 41, 977, 40057

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110001111001

Octal: 116171

Duodecimal: 1B221

Hexadecimal: 9c79

Square: 1604563249

Square Root: 200.14244927051334

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

Positive integers m such that π(m³) = π(j³) + π(k³) for some 0 < j <= k < m. A262409

Denominators of continued fraction convergents to sqrt(662). A42273

Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n having trapezoid weight k. A104552

O.g.f.: ∑_n>=0 nⁿ*(2·n+1)ⁿ * exp(-n*(2·n+1)*x) * xⁿ / n!. A222524

Continued fraction for sqrt(66). A40057

Number of nX6 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or vertically, with no adjacent values equal. A232063