λ
Sequence Observatory

8,447,794

2 × 4223897
Deficient Even Composite

Starting at 8,447,794, the Collatz iteration reaches 1 after 75 steps. The first transition is 4223897; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4223897
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 12,671,694
Proper Divisor Sum 4,223,900
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #8447783 ← → #8447809

Radix Representation

Decimal 8447794
Binary 100000001110011100110010 (24 bits)
Octal 0o40163462
Hexadecimal 0x80E732

Divisor Catalog (4)

1 2 4,223,897 8,447,794

Collatz Trajectory (75 steps to reach 1)

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

8,447,794 4,223,897 12,671,692 6,335,846 3,167,923 9,503,770 4,751,885 14,255,656 7,127,828 3,563,914 1,781,957 5,345,872 2,672,936 1,336,468 668,234 334,117 1,002,352 501,176 250,588 125,294 62,647 187,942 93,971 281,914 140,957 422,872 211,436 105,718 52,859 158,578 79,289 237,868 118,934 59,467 178,402 89,201 267,604 133,802 66,901 200,704 100,352 50,176 25,088 12,544 6,272 3,136 1,568 784 392 196 98 49 148 74 37 112 56 28 14 7

More profiles

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