Properties of the Number 72928

Seventy-Two Thousand Nine Hundred Twenty-Eight

Basics

Value: 72927 → 72928 → 72929

Parity: even

Prime: No

Previous Prime: 72923

Next Prime: 72931

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ⁵ × 43 × 53

Divisors: 1, 2, 4, 8, 16, 32, 43, 53, 86, 106

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110011100000

Octal: 216340

Duodecimal: 36254

Hexadecimal: 11ce0

Square: 5318493184

Square Root: 270.051846873892

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

Expansion of 1/(1 - x*(1 + x)³)³. A382614

Number of n X 1 0..2 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A279322

a(n) = ceiling(n·exp(n)). A58749

Number of primes of the form b²-2 for b <= 10ⁿ. A302442

A Seidel matrix A(n,k) read by antidiagonals downwards. A323834

Number of partitions of [3n] into 3 sets of size n having at least one set of consecutive numbers whose maximum (if n>0) is a multiple of n. A370487

a(n) = round(n·exp(n)). A58748

Intersection of A046346 and (A046346-2). A309310

Real part of the coefficient [xⁿ] of the expansion of (1+i)/(1-i·exp(x)) - 1 multiplied by 2·n!, where i is the imaginary unit. A163982

Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum. A258676