λ
Sequence Observatory

3,445,654

2 × 443 × 3889
Deficient Even Composite

Starting at 3,445,654, the Collatz iteration reaches 1 after 58 steps. The first transition is 1722827; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 443 × 3889
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,181,480
Proper Divisor Sum 1,735,826
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #3445649 ← → #3445667

Radix Representation

Decimal 3445654
Binary 1101001001001110010110 (22 bits)
Octal 0o15111626
Hexadecimal 0x349396

Divisor Catalog (8)

1 2 443 886 3,889 7,778 1,722,827 3,445,654

Collatz Trajectory (58 steps to reach 1)

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

3,445,654 1,722,827 5,168,482 2,584,241 7,752,724 3,876,362 1,938,181 5,814,544 2,907,272 1,453,636 726,818 363,409 1,090,228 545,114 272,557 817,672 408,836 204,418 102,209 306,628 153,314 76,657 229,972 114,986 57,493 172,480 86,240 43,120 21,560 10,780 5,390 2,695 8,086 4,043 12,130 6,065 18,196 9,098 4,549 13,648 6,824 3,412 1,706 853 2,560 1,280 640 320 160 80 40 20 10 5 16 8 4 2 1

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