138,001
59 × 2339
Deficient
Odd
Composite
138,001 factors as 59 × 2339. Its 4 positive divisors give a proper-divisor sum of 2,399, so this integer is deficient. The Collatz stopping time is 144 steps.
Resources
Prime Factor Structure
Factorization String
59 × 2339
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
140,400
Proper Divisor Sum
2,399
Digit Sum / Digital Root
13 (Root: 4)
Adjacent Primes
#137999 ← → #138007
Radix Representation
| Decimal | 138001 |
| Binary | 100001101100010001 (18 bits) |
| Octal | 0o415421 |
| Hexadecimal | 0x21B11 |
Divisor Catalog (4)
Collatz Trajectory (144 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.