λ
Sequence Observatory

8,214,044

22 × 103 × 19937
Deficient Even Composite

Starting at 8,214,044, the Collatz iteration reaches 1 after 155 steps. The first transition is 4107022; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 103 × 19937
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 14,514,864
Proper Divisor Sum 6,300,820
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #8214029 ← → #8214071

Radix Representation

Decimal 8214044
Binary 11111010101011000011100 (23 bits)
Octal 0o37253034
Hexadecimal 0x7D561C

Divisor Catalog (12)

1 2 4 103 206 412 19,937 39,874 79,748 2,053,511 4,107,022 8,214,044

Collatz Trajectory (155 steps to reach 1)

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

8,214,044 4,107,022 2,053,511 6,160,534 3,080,267 9,240,802 4,620,401 13,861,204 6,930,602 3,465,301 10,395,904 5,197,952 2,598,976 1,299,488 649,744 324,872 162,436 81,218 40,609 121,828 60,914 30,457 91,372 45,686 22,843 68,530 34,265 102,796 51,398 25,699 77,098 38,549 115,648 57,824 28,912 14,456 7,228 3,614 1,807 5,422 2,711 8,134 4,067 12,202 6,101 18,304 9,152 4,576 2,288 1,144 572 286 143 430 215 646 323 970 485 1,456

More profiles

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