λ
Sequence Observatory

2,711,921

2711921
Deficient Odd Prime

Starting at 2,711,921, the Collatz iteration reaches 1 after 112 steps. The first transition is 8135764; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 2711921
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 2,711,922
Proper Divisor Sum 1
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #2711899 ← → #2711939

Radix Representation

Decimal 2711921
Binary 1010010110000101110001 (22 bits)
Octal 0o12260561
Hexadecimal 0x296171

Divisor Catalog (2)

Collatz Trajectory (112 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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