λ
Sequence Observatory

8,269,842

2 × 3 × 7 × 196901
Abundant Even Composite

Starting at 8,269,842, the Collatz iteration reaches 1 after 336 steps. The first transition is 4134921; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 7 × 196901
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 18,902,592
Proper Divisor Sum 10,632,750
Digit Sum / Digital Root 39 (Root: 3)
Adjacent Primes #8269841 ← → #8269847

Radix Representation

Decimal 8269842
Binary 11111100011000000010010 (23 bits)
Octal 0o37430022
Hexadecimal 0x7E3012

Divisor Catalog (16)

1 2 3 6 7 14 21 42 196,901 393,802 590,703 1,181,406 1,378,307 2,756,614 4,134,921 8,269,842

Collatz Trajectory (336 steps to reach 1)

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

8,269,842 4,134,921 12,404,764 6,202,382 3,101,191 9,303,574 4,651,787 13,955,362 6,977,681 20,933,044 10,466,522 5,233,261 15,699,784 7,849,892 3,924,946 1,962,473 5,887,420 2,943,710 1,471,855 4,415,566 2,207,783 6,623,350 3,311,675 9,935,026 4,967,513 14,902,540 7,451,270 3,725,635 11,176,906 5,588,453 16,765,360 8,382,680 4,191,340 2,095,670 1,047,835 3,143,506 1,571,753 4,715,260 2,357,630 1,178,815 3,536,446 1,768,223 5,304,670 2,652,335 7,957,006 3,978,503 11,935,510 5,967,755 17,903,266 8,951,633 26,854,900 13,427,450 6,713,725 20,141,176 10,070,588 5,035,294 2,517,647 7,552,942 3,776,471 11,329,414

More profiles

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