λ
Sequence Observatory

2,418,784

25 × 131 × 577
Deficient Even Composite

Starting at 2,418,784, the Collatz iteration reaches 1 after 73 steps. The first transition is 1209392; the starting value is even with 24 positive divisors.

Resources

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Prime Factor Structure

Factorization String 2^5 × 131 × 577
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 4,806,648
Proper Divisor Sum 2,387,864
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #2418781 ← → #2418791

Radix Representation

Decimal 2418784
Binary 1001001110100001100000 (22 bits)
Octal 0o11164140
Hexadecimal 0x24E860

Divisor Catalog (5 of 24)

1 2 4 8 16

Collatz Trajectory (73 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.

2,418,784 1,209,392 604,696 302,348 151,174

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