λ
Sequence Observatory

8,105,194

2 × 137 × 29581
Deficient Even Composite

Starting at 8,105,194, the Collatz iteration reaches 1 after 261 steps. The first transition is 4052597; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 137 × 29581
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 12,246,948
Proper Divisor Sum 4,141,754
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #8105189 ← → #8105219

Radix Representation

Decimal 8105194
Binary 11110111010110011101010 (23 bits)
Octal 0o36726352
Hexadecimal 0x7BACEA

Divisor Catalog (8)

1 2 137 274 29,581 59,162 4,052,597 8,105,194

Collatz Trajectory (261 steps to reach 1)

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

8,105,194 4,052,597 12,157,792 6,078,896 3,039,448 1,519,724 759,862 379,931 1,139,794 569,897 1,709,692 854,846 427,423 1,282,270 641,135 1,923,406 961,703 2,885,110 1,442,555 4,327,666 2,163,833 6,491,500 3,245,750 1,622,875 4,868,626 2,434,313 7,302,940 3,651,470 1,825,735 5,477,206 2,738,603 8,215,810 4,107,905 12,323,716 6,161,858 3,080,929 9,242,788 4,621,394 2,310,697 6,932,092 3,466,046 1,733,023 5,199,070 2,599,535 7,798,606 3,899,303 11,697,910 5,848,955 17,546,866 8,773,433 26,320,300 13,160,150 6,580,075 19,740,226 9,870,113 29,610,340 14,805,170 7,402,585 22,207,756 11,103,878

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