λ
Sequence Observatory

3,427,022

2 × 1713511
Deficient Even Composite

Starting at 3,427,022, the Collatz iteration reaches 1 after 221 steps. The first transition is 1713511; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1713511
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,140,536
Proper Divisor Sum 1,713,514
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #3427009 ← → #3427027

Radix Representation

Decimal 3427022
Binary 1101000100101011001110 (22 bits)
Octal 0o15045316
Hexadecimal 0x344ACE

Divisor Catalog (4)

1 2 1,713,511 3,427,022

Collatz Trajectory (221 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

3,427,022 1,713,511 5,140,534 2,570,267 7,710,802 3,855,401 11,566,204 5,783,102 2,891,551 8,674,654 4,337,327 13,011,982 6,505,991 19,517,974 9,758,987 29,276,962 14,638,481 43,915,444 21,957,722 10,978,861 32,936,584 16,468,292 8,234,146 4,117,073 12,351,220 6,175,610 3,087,805 9,263,416 4,631,708 2,315,854 1,157,927 3,473,782 1,736,891 5,210,674 2,605,337 7,816,012 3,908,006 1,954,003 5,862,010 2,931,005 8,793,016 4,396,508 2,198,254 1,099,127 3,297,382 1,648,691 4,946,074 2,473,037 7,419,112 3,709,556 1,854,778 927,389 2,782,168 1,391,084 695,542 347,771 1,043,314 521,657 1,564,972 782,486

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