λ
Sequence Observatory

8,563,326

2 × 3 × 1427221
Abundant Even Composite

Starting at 8,563,326, the Collatz iteration reaches 1 after 98 steps. The first transition is 4281663; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 1427221
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 17,126,664
Proper Divisor Sum 8,563,338
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #8563309 ← → #8563351

Radix Representation

Decimal 8563326
Binary 100000101010101001111110 (24 bits)
Octal 0o40525176
Hexadecimal 0x82AA7E

Divisor Catalog (8)

1 2 3 6 1,427,221 2,854,442 4,281,663 8,563,326

Collatz Trajectory (98 steps to reach 1)

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

8,563,326 4,281,663 12,844,990 6,422,495 19,267,486 9,633,743 28,901,230 14,450,615 43,351,846 21,675,923 65,027,770 32,513,885 97,541,656 48,770,828 24,385,414 12,192,707 36,578,122 18,289,061 54,867,184 27,433,592 13,716,796 6,858,398 3,429,199 10,287,598 5,143,799 15,431,398 7,715,699 23,147,098 11,573,549 34,720,648 17,360,324 8,680,162 4,340,081 13,020,244 6,510,122 3,255,061 9,765,184 4,882,592 2,441,296 1,220,648 610,324 305,162 152,581 457,744 228,872 114,436 57,218 28,609 85,828 42,914 21,457 64,372 32,186 16,093 48,280 24,140 12,070 6,035 18,106 9,053

More profiles

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