λ
Sequence Observatory

8,950,820

22 × 5 × 447541
Abundant Even Composite

Starting at 8,950,820, the Collatz iteration reaches 1 after 119 steps. The first transition is 4475410; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 447541
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 18,796,764
Proper Divisor Sum 9,845,944
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #8950817 ← → #8950829

Radix Representation

Decimal 8950820
Binary 100010001001010000100100 (24 bits)
Octal 0o42112044
Hexadecimal 0x889424

Divisor Catalog (12)

1 2 4 5 10 20 447,541 895,082 1,790,164 2,237,705 4,475,410 8,950,820

Collatz Trajectory (119 steps to reach 1)

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

8,950,820 4,475,410 2,237,705 6,713,116 3,356,558 1,678,279 5,034,838 2,517,419 7,552,258 3,776,129 11,328,388 5,664,194 2,832,097 8,496,292 4,248,146 2,124,073 6,372,220 3,186,110 1,593,055 4,779,166 2,389,583 7,168,750 3,584,375 10,753,126 5,376,563 16,129,690 8,064,845 24,194,536 12,097,268 6,048,634 3,024,317 9,072,952 4,536,476 2,268,238 1,134,119 3,402,358 1,701,179 5,103,538 2,551,769 7,655,308 3,827,654 1,913,827 5,741,482 2,870,741 8,612,224 4,306,112 2,153,056 1,076,528 538,264 269,132 134,566 67,283 201,850 100,925 302,776 151,388 75,694 37,847 113,542 56,771

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