λ
Sequence Observatory

8,980,705

5 × 131 × 13711
Deficient Odd Composite

Starting at 8,980,705, the Collatz iteration reaches 1 after 137 steps. The first transition is 26942116; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 131 × 13711
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 10,859,904
Proper Divisor Sum 1,879,199
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #8980703 ← → #8980729

Radix Representation

Decimal 8980705
Binary 100010010000100011100001 (24 bits)
Octal 0o42204341
Hexadecimal 0x8908E1

Divisor Catalog (8)

1 5 131 655 13,711 68,555 1,796,141 8,980,705

Collatz Trajectory (137 steps to reach 1)

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

8,980,705 26,942,116 13,471,058 6,735,529 20,206,588 10,103,294 5,051,647 15,154,942 7,577,471 22,732,414 11,366,207 34,098,622 17,049,311 51,147,934 25,573,967 76,721,902 38,360,951 115,082,854 57,541,427 172,624,282 86,312,141 258,936,424 129,468,212 64,734,106 32,367,053 97,101,160 48,550,580 24,275,290 12,137,645 36,412,936 18,206,468 9,103,234 4,551,617 13,654,852 6,827,426 3,413,713 10,241,140 5,120,570 2,560,285 7,680,856 3,840,428 1,920,214 960,107 2,880,322 1,440,161 4,320,484 2,160,242 1,080,121 3,240,364 1,620,182 810,091 2,430,274 1,215,137 3,645,412 1,822,706 911,353 2,734,060 1,367,030 683,515 2,050,546

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