λ
Sequence Observatory

879,185

5 × 175837
Deficient Odd Composite

Starting at 879,185, the Collatz iteration reaches 1 after 100 steps. The first transition is 2637556; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 175837
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,055,028
Proper Divisor Sum 175,843
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #879181 ← → #879199

Radix Representation

Decimal 879185
Binary 11010110101001010001 (20 bits)
Octal 0o3265121
Hexadecimal 0xD6A51

Divisor Catalog (4)

1 5 175,837 879,185

Collatz Trajectory (100 steps to reach 1)

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

879,185 2,637,556 1,318,778 659,389 1,978,168 989,084 494,542 247,271 741,814 370,907 1,112,722 556,361 1,669,084 834,542 417,271 1,251,814 625,907 1,877,722 938,861 2,816,584 1,408,292 704,146 352,073 1,056,220 528,110 264,055 792,166 396,083 1,188,250 594,125 1,782,376 891,188 445,594 222,797 668,392 334,196 167,098 83,549 250,648 125,324 62,662 31,331 93,994 46,997 140,992 70,496 35,248 17,624 8,812 4,406 2,203 6,610 3,305 9,916 4,958 2,479 7,438 3,719 11,158 5,579

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