Properties of the Number 40826

Forty Thousand Eight Hundred Twenty-Six

Basics

Value: 40825 → 40826 → 40827

Parity: even

Prime: No

Previous Prime: 40823

Next Prime: 40829

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 137 × 149

Divisors: 1, 2, 137, 149, 274, 298, 20413, 40826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111101111010

Octal: 117572

Duodecimal: 1B762

Hexadecimal: 9f7a

Square: 1666762276

Square Root: 202.05444810743464

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 subsets of {1,...,n} not containing {a,a+2,a+4} for any a. A209410

Expansion of 1/(1 - x - x³/(1 - x⁵ - x⁷/(1 - x⁹ - x¹¹/(1 - x¹³ - x¹⁵/(1 - ...))))), a continued fraction. A292800

Sequence of traces arising in study of Thue-Morse sequence. A201170

Number of terms in 10th derivative of a function composed with itself n times. A215628

Continued fraction for sqrt(856). A40826

Composite numbers m such that λ(m) = λ(D_m-1), where λ(n) is the Carmichael function of n (A002322) and D_k is the denominator (A027642) of Bernoulli number B_k. A343979