8,711,561

8711561

Starting at 8,711,561, the Collatz iteration reaches 1 after 181 steps. The first transition is 26134684; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 8711561

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 8,711,562

Proper Divisor Sum 1

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #8711551 ← → #8711569

Radix Representation

Decimal	8711561
Binary	100001001110110110001001 (24 bits)
Octal	0o41166611
Hexadecimal	0x84ED89

Divisor Catalog (2)

1 8,711,561

Collatz Trajectory (181 steps to reach 1)

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

8,711,561 26,134,684 13,067,342 6,533,671 19,601,014 9,800,507 29,401,522 14,700,761 44,102,284 22,051,142 11,025,571 33,076,714 16,538,357 49,615,072 24,807,536 12,403,768 6,201,884 3,100,942 1,550,471 4,651,414 2,325,707 6,977,122 3,488,561 10,465,684 5,232,842 2,616,421 7,849,264 3,924,632 1,962,316 981,158 490,579 1,471,738 735,869 2,207,608 1,103,804 551,902 275,951 827,854 413,927 1,241,782 620,891 1,862,674 931,337 2,794,012 1,397,006 698,503 2,095,510 1,047,755 3,143,266 1,571,633 4,714,900 2,357,450 1,178,725 3,536,176 1,768,088 884,044 442,022 221,011 663,034 331,517

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