λ
Sequence Observatory

8,772,950

2 × 52 × 79 × 2221
Deficient Even Composite

Starting at 8,772,950, the Collatz iteration reaches 1 after 150 steps. The first transition is 4386475; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2 × 5^2 × 79 × 2221
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 16,531,680
Proper Divisor Sum 7,758,730
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #8772947 ← → #8772977

Radix Representation

Decimal 8772950
Binary 100001011101110101010110 (24 bits)
Octal 0o41356526
Hexadecimal 0x85DD56

Divisor Catalog (24)

1 2 5 10 25 50 79 158 395 790 1,975 2,221 3,950 4,442 11,105 22,210 55,525 111,050 175,459 350,918 877,295 1,754,590 4,386,475 8,772,950

Collatz Trajectory (150 steps to reach 1)

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

8,772,950 4,386,475 13,159,426 6,579,713 19,739,140 9,869,570 4,934,785 14,804,356 7,402,178 3,701,089 11,103,268 5,551,634 2,775,817 8,327,452 4,163,726 2,081,863 6,245,590 3,122,795 9,368,386 4,684,193 14,052,580 7,026,290 3,513,145 10,539,436 5,269,718 2,634,859 7,904,578 3,952,289 11,856,868 5,928,434 2,964,217 8,892,652 4,446,326 2,223,163 6,669,490 3,334,745 10,004,236 5,002,118 2,501,059 7,503,178 3,751,589 11,254,768 5,627,384 2,813,692 1,406,846 703,423 2,110,270 1,055,135 3,165,406 1,582,703 4,748,110 2,374,055 7,122,166 3,561,083 10,683,250 5,341,625 16,024,876 8,012,438 4,006,219 12,018,658

More profiles

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