721,807
53 × 13619
Deficient
Odd
Composite
721,807 is odd and not a perfect square. Its factorization is 53 × 13619 and its 4 divisors sum to 735,480.
Resources
Prime Factor Structure
Factorization String
53 × 13619
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
735,480
Proper Divisor Sum
13,673
Digit Sum / Digital Root
25 (Root: 7)
Adjacent Primes
#721793 ← → #721843
Radix Representation
| Decimal | 721807 |
| Binary | 10110000001110001111 (20 bits) |
| Octal | 0o2601617 |
| Hexadecimal | 0xB038F |
Divisor Catalog (4)
Collatz Trajectory (167 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):
Showing the first 5 trajectory entries; the stopping-time total above is unchanged.