λ
Sequence Observatory

7,155,909

32 × 795101
Deficient Odd Composite

Starting at 7,155,909, the Collatz iteration reaches 1 after 266 steps. The first transition is 21467728; the starting value is odd with 6 positive divisors.

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Prime Factor Structure

Factorization String 3^2 × 795101
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 10,336,326
Proper Divisor Sum 3,180,417
Digit Sum / Digital Root 36 (Root: 9)
Adjacent Primes #7155887 ← → #7155917

Radix Representation

Decimal 7155909
Binary 11011010011000011000101 (23 bits)
Octal 0o33230305
Hexadecimal 0x6D30C5

Divisor Catalog (5 of 6)

Collatz Trajectory (266 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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