Properties of the Number 73729

Seventy-Three Thousand Seven Hundred Twenty-Nine

Basics

Value: 73728 → 73729 → 73730

Parity: odd

Prime: No

Previous Prime: 73727

Next Prime: 73751

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 17 × 4337

Divisors: 1, 17, 4337, 73729

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010000000000001

Octal: 220001

Duodecimal: 36801

Hexadecimal: 12001

Square: 5435965441

Square Root: 271.53084539329967

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

a(n) = 2·a(n-1) - 1 with a(0) = 10. A83705

Pierpont semiprimes: semiprimes of the form (2^K)*(3^L)+1. A113432

a(n) = 6·a(n-1)-8·a(n-2) for n > 10; a(0)=221, a(1)=1938, a(2)=8673, a(3)=73729, a(4)=589855, a(5)=7561526, a(6)=34593784, a(7)=218391421, a(8)=2116566392, a(9)=8522858480, a(10)=34225586144. A177422

a(n) = 3·n*2^n-1 + 1. A48474

Indices where A354169 is the sum of two consecutive powers of 2. A354775

Inverse permutation to A305325. A336816

a(n) = 72·n² + 1. A158740

a(n) = n-th element of n-th row of triangle shown below. A115025

p² + (p+2)² - 1 where (p,p+2) is the n-th twin prime pair. A184417

Integers of the form k·2^m + 1 where 0 < k <= m and k is odd. A361875