λ
Sequence Observatory

2,644,155

32 × 5 × 67 × 877
Deficient Odd Composite

Starting at 2,644,155, the Collatz iteration reaches 1 after 293 steps. The first transition is 7932466; the starting value is odd with 24 positive divisors.

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Prime Factor Structure

Factorization String 3^2 × 5 × 67 × 877
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 4,656,912
Proper Divisor Sum 2,012,757
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #2644153 ← → #2644157

Radix Representation

Decimal 2644155
Binary 1010000101100010111011 (22 bits)
Octal 0o12054273
Hexadecimal 0x2858BB

Divisor Catalog (5 of 24)

1 3 5 9 15

Collatz Trajectory (293 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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