λ
Sequence Observatory

6,663,341

89 × 74869
Deficient Odd Composite

Starting at 6,663,341, the Collatz iteration reaches 1 after 121 steps. The first transition is 19990024; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 89 × 74869
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,738,300
Proper Divisor Sum 74,959
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #6663329 ← → #6663347

Radix Representation

Decimal 6663341
Binary 11001011010110010101101 (23 bits)
Octal 0o31326255
Hexadecimal 0x65ACAD

Divisor Catalog (4)

1 89 74,869 6,663,341

Collatz Trajectory (121 steps to reach 1)

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

6,663,341 19,990,024 9,995,012 4,997,506 2,498,753 7,496,260 3,748,130 1,874,065 5,622,196 2,811,098 1,405,549 4,216,648 2,108,324 1,054,162 527,081 1,581,244 790,622 395,311 1,185,934 592,967 1,778,902 889,451 2,668,354 1,334,177 4,002,532 2,001,266 1,000,633 3,001,900 1,500,950 750,475 2,251,426 1,125,713 3,377,140 1,688,570 844,285 2,532,856 1,266,428 633,214 316,607 949,822 474,911 1,424,734 712,367 2,137,102 1,068,551 3,205,654 1,602,827 4,808,482 2,404,241 7,212,724 3,606,362 1,803,181 5,409,544 2,704,772 1,352,386 676,193 2,028,580 1,014,290 507,145 1,521,436

More profiles

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