λ
Sequence Observatory

8,975,863

13 × 43 × 16057
Deficient Odd Composite

Starting at 8,975,863, the Collatz iteration reaches 1 after 111 steps. The first transition is 26927590; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 13 × 43 × 16057
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,891,728
Proper Divisor Sum 915,865
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #8975839 ← → #8975887

Radix Representation

Decimal 8975863
Binary 100010001111010111110111 (24 bits)
Octal 0o42172767
Hexadecimal 0x88F5F7

Divisor Catalog (8)

1 13 43 559 16,057 208,741 690,451 8,975,863

Collatz Trajectory (111 steps to reach 1)

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

8,975,863 26,927,590 13,463,795 40,391,386 20,195,693 60,587,080 30,293,540 15,146,770 7,573,385 22,720,156 11,360,078 5,680,039 17,040,118 8,520,059 25,560,178 12,780,089 38,340,268 19,170,134 9,585,067 28,755,202 14,377,601 43,132,804 21,566,402 10,783,201 32,349,604 16,174,802 8,087,401 24,262,204 12,131,102 6,065,551 18,196,654 9,098,327 27,294,982 13,647,491 40,942,474 20,471,237 61,413,712 30,706,856 15,353,428 7,676,714 3,838,357 11,515,072 5,757,536 2,878,768 1,439,384 719,692 359,846 179,923 539,770 269,885 809,656 404,828 202,414 101,207 303,622 151,811 455,434 227,717 683,152 341,576

More profiles

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