Properties of the Number 64685

Sixty-Four Thousand Six Hundred Eighty-Five

Basics

Value: 64684 → 64685 → 64686

Parity: odd

Prime: No

Previous Prime: 64679

Next Prime: 64693

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 × 17 × 761

Divisors: 1, 5, 17, 85, 761, 3805, 12937, 64685

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110010101101

Octal: 176255

Duodecimal: 31525

Hexadecimal: fcad

Square: 4184149225

Square Root: 254.33245958783948

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

Number of different strings of length n+4 obtained from "123...n" by iteratively duplicating any substring. A137741

Sum of the heights of all dispersed Dyck paths of length n (i.e., of Motzkin paths of length n with no (1,0) steps at positive heights). A191315

Length of orbit of 2n+1 in the 3x+1 problem. A64685

Number of nX4 0..1 arrays with every element equal to 1, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300685