λ
Sequence Observatory

7,440,920

23 × 5 × 186023
Abundant Even Composite

Starting at 7,440,920, the Collatz iteration reaches 1 after 147 steps. The first transition is 3720460; the starting value is even with 16 positive divisors.

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Prime Factor Structure

Factorization String 2^3 × 5 × 186023
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 16,742,160
Proper Divisor Sum 9,301,240
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #7440893 ← → #7440943

Radix Representation

Decimal 7440920
Binary 11100011000101000011000 (23 bits)
Octal 0o34305030
Hexadecimal 0x718A18

Divisor Catalog (5 of 16)

1 2 4 5 8

Collatz Trajectory (147 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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