λ
Sequence Observatory

5,298,720

25 × 3 × 5 × 7 × 19 × 83
Abundant Even Composite

Starting at 5,298,720, the Collatz iteration reaches 1 after 126 steps. The first transition is 2649360; the starting value is even with 192 positive divisors.

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Prime Factor Structure

Factorization String 2^5 × 3 × 5 × 7 × 19 × 83
Distinct Prime Factors 6
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 192
Divisor Sum (σ) 20,321,280
Proper Divisor Sum 15,022,560
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #5298719 ← → #5298721

Radix Representation

Decimal 5298720
Binary 10100001101101000100000 (23 bits)
Octal 0o24155040
Hexadecimal 0x50DA20

Divisor Catalog (5 of 192)

1 2 3 4 5

Collatz Trajectory (126 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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