λ
Sequence Observatory

2,281,316

22 × 570329
Deficient Even Composite

Starting at 2,281,316, the Collatz iteration reaches 1 after 104 steps. The first transition is 1140658; the starting value is even with 6 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 570329
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 3,992,310
Proper Divisor Sum 1,710,994
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #2281313 ← → #2281327

Radix Representation

Decimal 2281316
Binary 1000101100111101100100 (22 bits)
Octal 0o10547544
Hexadecimal 0x22CF64

Divisor Catalog (5 of 6)

1 2 4 570,329 1,140,658

Collatz Trajectory (104 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.

2,281,316 1,140,658 570,329 1,710,988 855,494

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