Properties of the Number 40064

Forty Thousand Sixty-Four

Basics

Value: 40063 → 40064 → 40065

Parity: even

Prime: No

Previous Prime: 40063

Next Prime: 40087

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁷ × 313

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 313, 626

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110010000000

Octal: 116200

Duodecimal: 1B228

Hexadecimal: 9c80

Square: 1605124096

Square Root: 200.15993605114886

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 (n+1)X(k+1) 0..3 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal. A237241

a(n) = n! - 2ⁿ. A123642

Number of permutations that avoid the generalized pattern 12345-6. A71088

a(n) is the smallest number which can be represented as the sum of n distinct n-almost primes in exactly n ways, or -1 if no such number exists. A365494

a(n) is the total squared perimeter of all self-avoiding polygons of area n on the square lattice. A56633

Numbers of the form (24·x + 1)*2^y+6 with positive integers·and y. A231203

Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal. A237235

Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock equal. A237238

Number of (n+2) X (4+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 2 3 6 or 7. A252528

Expansion of tanh(sin(x)²)/2. A24262