Properties of the Number 40894

Forty Thousand Eight Hundred Ninety-Four

Basics

Value: 40893 → 40894 → 40895

Parity: even

Prime: No

Previous Prime: 40883

Next Prime: 40897

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 23 × 127

Divisors: 1, 2, 7, 14, 23, 46, 127, 161, 254, 322

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111110111110

Octal: 117676

Duodecimal: 1B7BA

Hexadecimal: 9fbe

Square: 1672319236

Square Root: 202.222649572198

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

T(n,k) = Number of length n 0..k arrays with each partial sum starting from the beginning no more than two standard deviations from its mean. A244832

n-th diagonal sum of right justified array T given by A027960. A27976

G.f.: ∑_n>=0 xⁿ * ∏_k=1..n (k² + x) / (1 + k²*x + x²). A210438

Number of strings of numbers x(i=1..5) in 0..n with sum i²*x(i) equal to n·25. A183956

Number of length n 0..5 arrays with each partial sum starting from the beginning no more than two standard deviations from its mean. A244829

Number of length 6 0..n arrays with each partial sum starting from the beginning no more than two standard deviations from its mean. A244837

Weight distribution of [127,50,27] primitive binary BCH code. A97479

Numbers n such that 4·7ⁿ + 1 is prime. A204323

T(n,k) = Number of n-turn rook's tours on a k X k board summed over all starting positions. A187189

Continued fraction for sqrt(925). A40894