Properties of the Number 64765

Sixty-Four Thousand Seven Hundred Sixty-Five

Basics

Value: 64764 → 64765 → 64766

Parity: odd

Prime: No

Previous Prime: 64763

Next Prime: 64781

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 12953

Divisors: 1, 5, 12953, 64765

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110011111101

Octal: 176375

Duodecimal: 31591

Hexadecimal: fcfd

Square: 4194505225

Square Root: 254.48968544913564

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) + n, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294552

Expansion of (1/x) * Series_Reversion( x * (1/(1-x³) - x) ). A370840

Triangle read by rows: the multiset transform of the balanced binary Lyndon words (A022553). A289978

Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum unequal to 4 or 5 and every diagonal and antidiagonal sum equal to 4 or 5. A251904

a(n) is the smallest number such that for, all m<n, both a(n)*a(m) and a(n)+a(m) are nonsquares. A64765