Properties of the Number 65475

Sixty-Five Thousand Four Hundred Seventy-Five

Basics

Value: 65474 → 65475 → 65476

Parity: odd

Prime: No

Previous Prime: 65449

Next Prime: 65479

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 ² × 97

Divisors: 1, 3, 5, 9, 15, 25, 27, 45, 75, 97

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111111000011

Octal: 177703

Duodecimal: 31A83

Hexadecimal: ffc3

Square: 4286975625

Square Root: 255.88083163847972

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

From Renyi's "β expansion of 1 in base 3/2": sequence gives a(1), a(2), ... where x(n) = a(n)/2ⁿ, with 0 < a(n) < 2ⁿ, a(1) = 1, a(n) = 3·a(n-1) modulo 2ⁿ. A58842

4th column of number array A083075. A83079

a(n) = (n² + 4·n + 6) * n². A258402

a(n) = (3/8)*(n-1)*(n-2)*(27·n²-137·n+180). A134176

Numbers k such that 161·2^k+1 is prime. A32457

Integer areas of the first Neuberg triangles of integer-sided triangles. A230758

Natural numbers excluding 2. A65475

Number of nX4 0..2 arrays with no element equal to more than one of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A280957