λ
Sequence Observatory

4,068,866

2 × 2034433
Deficient Even Composite

Starting at 4,068,866, the Collatz iteration reaches 1 after 242 steps. The first transition is 2034433; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 2034433
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,103,302
Proper Divisor Sum 2,034,436
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #4068851 ← → #4068871

Radix Representation

Decimal 4068866
Binary 1111100001011000000010 (22 bits)
Octal 0o17413002
Hexadecimal 0x3E1602

Divisor Catalog (4)

1 2 2,034,433 4,068,866

Collatz Trajectory (242 steps to reach 1)

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

4,068,866 2,034,433 6,103,300 3,051,650 1,525,825 4,577,476 2,288,738 1,144,369 3,433,108 1,716,554 858,277 2,574,832 1,287,416 643,708 321,854 160,927 482,782 241,391 724,174 362,087 1,086,262 543,131 1,629,394 814,697 2,444,092 1,222,046 611,023 1,833,070 916,535 2,749,606 1,374,803 4,124,410 2,062,205 6,186,616 3,093,308 1,546,654 773,327 2,319,982 1,159,991 3,479,974 1,739,987 5,219,962 2,609,981 7,829,944 3,914,972 1,957,486 978,743 2,936,230 1,468,115 4,404,346 2,202,173 6,606,520 3,303,260 1,651,630 825,815 2,477,446 1,238,723 3,716,170 1,858,085 5,574,256

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