Properties of the Number 65040

Sixty-Five Thousand Forty

Basics

Value: 65039 → 65040 → 65041

Parity: even

Prime: No

Previous Prime: 65033

Next Prime: 65053

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 5 × 271

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111111000010000

Octal: 177020

Duodecimal: 31780

Hexadecimal: fe10

Square: 4230201600

Square Root: 255.0294100687213

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..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2. A251210

Number of n X n "primitive" binary matrices. A265627

Table read by antidiagonals where A(n,k) is the number of n X k binary arrays in which both the sequence of rows and the sequence of columns are (independently) aperiodic. A323862

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 34. A31712

Number of triangles similar to their n-th pedal, and not similar to any k-th pedal for k < n. A102536

Number of 3 X n binary matrices that are "primitive"; that is, they cannot be expressed as a "tiling" by a smaller matrix. A290754

a(n) = 225·n² + 15. A158557

Integers m such that the decimal expansion of 1/m contains only odd digits other than leading or trailing zeros. A353614

Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock summing to a nonzero multiple of 2. A251204

Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2. A251206