Properties of the Number 72729

Seventy-Two Thousand Seven Hundred Twenty-Nine

Basics

Value: 72728 → 72729 → 72730

Parity: odd

Prime: No

Previous Prime: 72727

Next Prime: 72733

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 8081

Divisors: 1, 3, 9, 8081, 24243, 72729

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110000011001

Octal: 216031

Duodecimal: 36109

Hexadecimal: 11c19

Square: 5289507441

Square Root: 269.6831474156292

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

3rd power of rooted tree enumerator; number of linear forests of 3 rooted trees. A242

Numbers k such that k*(k+2) is the concatenation of two numbers m and m+3. A116308

Odd numbers n containing 65536 as the highest power of 2 in their Collatz (3x+1) iteration. A247716

If n² has an even number of digits, write n after the left half of the digits of n² and before the right half, otherwise if n² has 2t+1 digits, write n after the first t digits of n² and before the last t+1 digits. A274620

Denominator of rationals >= 1 whose continued fractions consist only of 1's and 2's, in ascending order by the sum of the continued fraction terms and descending by lowest order continued fraction terms to highest. A72729