λ
Sequence Observatory

549,250

2 × 53 × 133
Abundant Even Composite

Starting at 549,250, the Collatz iteration reaches 1 after 58 steps. The first transition is 274625; the starting value is even with 32 positive divisors.

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Prime Factor Structure

Factorization String 2 × 5^3 × 13^3
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 1,113,840
Proper Divisor Sum 564,590
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #549247 ← → #549257

Radix Representation

Decimal 549250
Binary 10000110000110000010 (20 bits)
Octal 0o2060602
Hexadecimal 0x86182

Divisor Catalog (5 of 32)

1 2 5 10 13

Collatz Trajectory (58 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.

549,250 274,625 823,876 411,938 205,969

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