λ
Sequence Observatory

3,127,139

3127139
Deficient Odd Prime

Starting at 3,127,139, the Collatz iteration reaches 1 after 164 steps. The first transition is 9381418; the starting value is odd with 2 positive divisors.

Link collection

External pages selected by the site administrator. These links are separate from the mathematical calculations below.

Download link list (JSON)

Prime Factor Structure

Factorization String 3127139
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 3,127,140
Proper Divisor Sum 1
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #3127127 ← → #3127141

Radix Representation

Decimal 3127139
Binary 1011111011011101100011 (22 bits)
Octal 0o13733543
Hexadecimal 0x2FB763

Divisor Catalog (2)

Collatz Trajectory (164 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.

More profiles

Browse other published profiles and their separate link collections.

← Previous Integer #3,127,138 Browse Full Index Next Integer #3,127,140 →