538
2 × 269
Deficient
Even
Composite
538 factors as 2 × 269. Its 4 positive divisors give a proper-divisor sum of 272, so this integer is deficient. The Collatz stopping time is 30 steps.
Prime Factor Structure
Factorization String
2 × 269
Distinct Prime Factors
2
Square Status
No
Abundance Measure
Deficient
Analytical Properties
Total Divisors
4
Divisor Sum (σ)
810
Proper Divisor Sum
272
Digit Sum / Digital Root
16 (Root: 7)
Adjacent Primes
#523 ← → #541
Radix Representation
| Decimal | 538 |
| Binary | 1000011010 (10 bits) |
| Octal | 0o1032 |
| Hexadecimal | 0x21A |
Divisor Catalog (4)
Collatz Trajectory (30 steps to reach 1)
Iterative sequence n → n/2 (if even) or 3n+1 (if odd):