λ
Sequence Observatory

8,973,574

2 × 4486787
Deficient Even Composite

Starting at 8,973,574, the Collatz iteration reaches 1 after 57 steps. The first transition is 4486787; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4486787
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 13,460,364
Proper Divisor Sum 4,486,790
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #8973563 ← → #8973577

Radix Representation

Decimal 8973574
Binary 100010001110110100000110 (24 bits)
Octal 0o42166406
Hexadecimal 0x88ED06

Divisor Catalog (4)

1 2 4,486,787 8,973,574

Collatz Trajectory (57 steps to reach 1)

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

8,973,574 4,486,787 13,460,362 6,730,181 20,190,544 10,095,272 5,047,636 2,523,818 1,261,909 3,785,728 1,892,864 946,432 473,216 236,608 118,304 59,152 29,576 14,788 7,394 3,697 11,092 5,546 2,773 8,320 4,160 2,080 1,040 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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