Properties of the Number 73648

Seventy-Three Thousand Six Hundred Forty-Eight

Basics

Value: 73647 → 73648 → 73649

Parity: even

Prime: No

Previous Prime: 73643

Next Prime: 73651

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 4603

Divisors: 1, 2, 4, 8, 16, 4603, 9206, 18412, 36824, 73648

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111110110000

Octal: 217660

Duodecimal: 36754

Hexadecimal: 11fb0

Square: 5424027904

Square Root: 271.3816500797355

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

Array read by antidiagonals: T(n,k) is the number of k-tuples of involutions on [n] that pairwise commute. A362824

Number of ordered triples of involutions on [n] that pairwise commute. A362825

Coefficient array of orthogonal polynomials P(n,x)=(x-2n+2)*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1, P(1,x)=x-1. A185996

Number of permutations of length n which avoid the patterns 1234, 1432, 2413. A116801

Numbers n such that n-th and (n+1)-th primes are in A125146. A128120

Middle members of prime triples {p, p+2, p+6}. A73648