Properties of the Number 66514

Sixty-Six Thousand Five Hundred Fourteen

Basics

Value: 66513 → 66514 → 66515

Parity: even

Prime: No

Previous Prime: 66509

Next Prime: 66523

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 4751

Divisors: 1, 2, 7, 14, 4751, 9502, 33257, 66514

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10000001111010010

Octal: 201722

Duodecimal: 325AA

Hexadecimal: 103d2

Square: 4424112196

Square Root: 257.9030825717289

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

a(n) = T(n, n-3), T given by A026519. Also a(n) = number of integer strings s(0), ..., s(n), counted by T, such that s(n) = 3. A26523

a(n) = T(n, n-3), T given by A026552. Also a(n) = number of integer strings s(0), ..., s(n) counted by T, such that s(n) = 3. A26556

Irregular triangle read by rows: T(n,m) = number of lattice paths of type B^H terminating at point (n, m). A291085

Number of subgroups of the group GL(2,Z_n) of invertible 2 X 2 matrices mod n (sequence A000252). A66514