Properties of the Number 73028

Seventy-Three Thousand Twenty-Eight

Basics

Value: 73027 → 73028 → 73029

Parity: even

Prime: No

Previous Prime: 73019

Next Prime: 73037

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 18257

Divisors: 1, 2, 4, 18257, 36514, 73028

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001110101000100

Octal: 216504

Duodecimal: 36318

Hexadecimal: 11d44

Square: 5333088784

Square Root: 270.2369330791038

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: A(n,k) is the number of nonnegative integer matrices with k distinct columns and any number of distinct nonzero rows with column sums n and columns in decreasing lexicographic order. A331570

a(n) = index of second occurrence of A161926(n) in A114381. A161927

Number of nonnegative integer matrices with 3 distinct columns and any number of distinct nonzero rows with column sums n and columns in decreasing lexicographic order. A331707

1/4 the number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock having distinct edge sums. A209378

T(n,k)=1/4 the number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having distinct edge sums. A209382

a(n) = max{ C(n,0), C(n-1,1), C(n-2,2), ..., C(n-n,n) }. A73028