Properties of the Number 40654

Forty Thousand Six Hundred Fifty-Four

Basics

Value: 40653 → 40654 → 40655

Parity: even

Prime: No

Previous Prime: 40639

Next Prime: 40693

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 20327

Divisors: 1, 2, 20327, 40654

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111011001110

Octal: 117316

Duodecimal: 1B63A

Hexadecimal: 9ece

Square: 1652747716

Square Root: 201.62837101955668

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

Prime(a(n)) + ... + prime(a(n)+3) is a square = A051395(n)². A72849

Nonnegative integers k such that k! mod nextprime(k) is larger than k. A360805

Molien series for complete weight enumerator of self-dual code over GF(5) containing all-1's vector. A28345

Even numbers of the form floor( binomial(2k, 2j)/binomial(k, j)). A111304

Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array. A219286

Coefficients in Molien series for 5-dimensional faithful representation of Horrocks-Mumford group G_HM. A258702

Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 11 ones in any 5 X 5 X 5 subtriangle. A153996

Number of nX4 0..1 arrays with no element unequal to more than four of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281984

Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 king-move adjacent elements, with upper left element zero. A304351

Continued fraction for sqrt(681). A40654