λ
Sequence Observatory

548,404

22 × 71 × 1931
Deficient Even Composite

Starting at 548,404, the Collatz iteration reaches 1 after 32 steps. The first transition is 274202; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 71 × 1931
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 973,728
Proper Divisor Sum 425,324
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #548399 ← → #548407

Radix Representation

Decimal 548404
Binary 10000101111000110100 (20 bits)
Octal 0o2057064
Hexadecimal 0x85E34

Divisor Catalog (12)

Collatz Trajectory (32 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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