163,909
163909
Deficient
Odd
Prime
Starting at 163,909, the Collatz iteration reaches 1 after 46 steps. The first transition is 491728; the starting value is odd with 2 positive divisors.
Prime Factor Structure
Factorization String
163909
Distinct Prime Factors
1
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
2
Divisor Sum (σ)
163,910
Proper Divisor Sum
1
Digit Sum / Digital Root
28 (Root: 1)
Adjacent Primes
#163901 ← → #163927
Radix Representation
| Decimal | 163909 |
| Binary | 101000000001000101 (18 bits) |
| Octal | 0o500105 |
| Hexadecimal | 0x28045 |
Divisor Catalog (2)
Collatz Trajectory (46 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):