Properties of the Number 40957

Forty Thousand Nine Hundred Fifty-Seven

Basics

Value: 40956 → 40957 → 40958

Parity: odd

Prime: No

Previous Prime: 40949

Next Prime: 40961

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 5851

Divisors: 1, 7, 5851, 40957

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111111111101

Octal: 117775

Duodecimal: 1B851

Hexadecimal: 9ffd

Square: 1677475849

Square Root: 202.37835852679504

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 + 3·x²)/((1-x)*(1-2·x)). A154117

Number of (s,2) gates. A37294

Partial sums of A173862. A200672

Expansion of 1/((1-4x)(1-8x)(1-9x)). A19664

a(n) = T(4,n), array T given by A047858. A47861

Indices of primes in sequence defined by A(0) = 33, A(n) = 10·A(n-1) + 43 for n > 0. A56255

Let u(1)=u(2)=1, u(3)=n, u(k) = (1/2)*abs(2·u(k-1) -u(k-2)-u(k-3)); sequence gives values of n such that ∑_k>=1 u(k) is an integer. A78113

The number of edges on a piece of paper that has been folded n times (see comments for more precise definition). A133257

Numbers n such that (6k-1) for k=n, n+1, n+2, n+3 are all primes with no primes of the form (6k+1) in between. A296011

Continued fraction for sqrt(989). A40957