λ
Sequence Observatory

1,498,464

25 × 32 × 112 × 43
Abundant Even Composite

Starting at 1,498,464, the Collatz iteration reaches 1 after 137 steps. The first transition is 749232; the starting value is even with 108 positive divisors.

Resources

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Prime Factor Structure

Factorization String 2^5 × 3^2 × 11^2 × 43
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 108
Divisor Sum (σ) 4,792,788
Proper Divisor Sum 3,294,324
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #1498457 ← → #1498481

Radix Representation

Decimal 1498464
Binary 101101101110101100000 (21 bits)
Octal 0o5556540
Hexadecimal 0x16DD60

Divisor Catalog (5 of 108)

1 2 3 4 6

Collatz Trajectory (137 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.

1,498,464 749,232 374,616 187,308 93,654

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