λ
Sequence Observatory

2,526,150

2 × 3 × 52 × 11 × 1531
Abundant Even Composite

Starting at 2,526,150, the Collatz iteration reaches 1 after 81 steps. The first transition is 1263075; the starting value is even with 48 positive divisors.

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Prime Factor Structure

Factorization String 2 × 3 × 5^2 × 11 × 1531
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 6,838,848
Proper Divisor Sum 4,312,698
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #2526137 ← → #2526169

Radix Representation

Decimal 2526150
Binary 1001101000101111000110 (22 bits)
Octal 0o11505706
Hexadecimal 0x268BC6

Divisor Catalog (5 of 48)

1 2 3 5 6

Collatz Trajectory (81 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.

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