672,571
17 × 39563
Deficient
Odd
Composite
672,571 has digital root 1. The neighboring primes are 672557 and 672577; its proper-divisor sum differs from the starting integer by -632,990.
Resources
Prime Factor Structure
Factorization String
17 × 39563
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
712,152
Proper Divisor Sum
39,581
Digit Sum / Digital Root
28 (Root: 1)
Adjacent Primes
#672557 ← → #672577
Radix Representation
| Decimal | 672571 |
| Binary | 10100100001100111011 (20 bits) |
| Octal | 0o2441473 |
| Hexadecimal | 0xA433B |
Divisor Catalog (4)
Collatz Trajectory (185 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.