λ
Sequence Observatory

2,645,003

29 × 223 × 409
Deficient Odd Composite

Starting at 2,645,003, the Collatz iteration reaches 1 after 174 steps. The first transition is 7935010; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 29 × 223 × 409
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,755,200
Proper Divisor Sum 110,197
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #2644981 ← → #2645011

Radix Representation

Decimal 2645003
Binary 1010000101110000001011 (22 bits)
Octal 0o12056013
Hexadecimal 0x285C0B

Divisor Catalog (5 of 8)

Collatz Trajectory (174 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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