8,511,289

73 × 116593

Starting at 8,511,289, the Collatz iteration reaches 1 after 243 steps. The first transition is 25533868; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 73 × 116593

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,627,956

Proper Divisor Sum 116,667

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #8511287 ← → #8511301

Radix Representation

Decimal	8511289
Binary	100000011101111100111001 (24 bits)
Octal	0o40357471
Hexadecimal	0x81DF39

Divisor Catalog (4)

1 73 116,593 8,511,289

Collatz Trajectory (243 steps to reach 1)

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

8,511,289 25,533,868 12,766,934 6,383,467 19,150,402 9,575,201 28,725,604 14,362,802 7,181,401 21,544,204 10,772,102 5,386,051 16,158,154 8,079,077 24,237,232 12,118,616 6,059,308 3,029,654 1,514,827 4,544,482 2,272,241 6,816,724 3,408,362 1,704,181 5,112,544 2,556,272 1,278,136 639,068 319,534 159,767 479,302 239,651 718,954 359,477 1,078,432 539,216 269,608 134,804 67,402 33,701 101,104 50,552 25,276 12,638 6,319 18,958 9,479 28,438 14,219 42,658 21,329 63,988 31,994 15,997 47,992 23,996 11,998 5,999 17,998 8,999

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