λ
Sigma Notebook

538

2 × 269
Deficient Even Composite

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):

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