λ
Sequence Observatory

3,817,844

22 × 954461
Deficient Even Composite

Starting at 3,817,844, the Collatz iteration reaches 1 after 278 steps. The first transition is 1908922; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 954461
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 6,681,234
Proper Divisor Sum 2,863,390
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #3817829 ← → #3817859

Radix Representation

Decimal 3817844
Binary 1110100100000101110100 (22 bits)
Octal 0o16440564
Hexadecimal 0x3A4174

Divisor Catalog (6)

1 2 4 954,461 1,908,922 3,817,844

Collatz Trajectory (278 steps to reach 1)

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

3,817,844 1,908,922 954,461 2,863,384 1,431,692 715,846 357,923 1,073,770 536,885 1,610,656 805,328 402,664 201,332 100,666 50,333 151,000 75,500 37,750 18,875 56,626 28,313 84,940 42,470 21,235 63,706 31,853 95,560 47,780 23,890 11,945 35,836 17,918 8,959 26,878 13,439 40,318 20,159 60,478 30,239 90,718 45,359 136,078 68,039 204,118 102,059 306,178 153,089 459,268 229,634 114,817 344,452 172,226 86,113 258,340 129,170 64,585 193,756 96,878 48,439 145,318

More profiles

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