λ
Sequence Observatory

4,913,540

22 × 5 × 151 × 1627
Abundant Even Composite

Starting at 4,913,540, the Collatz iteration reaches 1 after 87 steps. The first transition is 2456770; the starting value is even with 24 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 5 × 151 × 1627
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 10,393,152
Proper Divisor Sum 5,479,612
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #4913539 ← → #4913543

Radix Representation

Decimal 4913540
Binary 10010101111100110000100 (23 bits)
Octal 0o22574604
Hexadecimal 0x4AF984

Divisor Catalog (5 of 24)

1 2 4 5 10

Collatz Trajectory (87 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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