8,987,747

17 × 528691

Starting at 8,987,747, the Collatz iteration reaches 1 after 75 steps. The first transition is 26963242; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 17 × 528691

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 9,516,456

Proper Divisor Sum 528,709

Digit Sum / Digital Root 50 (Root: 5)

Adjacent Primes #8987723 ← → #8987749

Radix Representation

Decimal	8987747
Binary	100010010010010001100011 (24 bits)
Octal	0o42222143
Hexadecimal	0x892463

Divisor Catalog (4)

1 17 528,691 8,987,747

Collatz Trajectory (75 steps to reach 1)

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

8,987,747 26,963,242 13,481,621 40,444,864 20,222,432 10,111,216 5,055,608 2,527,804 1,263,902 631,951 1,895,854 947,927 2,843,782 1,421,891 4,265,674 2,132,837 6,398,512 3,199,256 1,599,628 799,814 399,907 1,199,722 599,861 1,799,584 899,792 449,896 224,948 112,474 56,237 168,712 84,356 42,178 21,089 63,268 31,634 15,817 47,452 23,726 11,863 35,590 17,795 53,386 26,693 80,080 40,040 20,020 10,010 5,005 15,016 7,508 3,754 1,877 5,632 2,816 1,408 704 352 176 88 44

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