λ
Sequence Observatory

8,566,976

26 × 11 × 43 × 283
Abundant Even Composite

Starting at 8,566,976, the Collatz iteration reaches 1 after 49 steps. The first transition is 4283488; the starting value is even with 56 positive divisors.

Prime Factor Structure

Factorization String 2^6 × 11 × 43 × 283
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 56
Divisor Sum (σ) 19,043,904
Proper Divisor Sum 10,476,928
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #8566949 ← → #8566981

Radix Representation

Decimal 8566976
Binary 100000101011100011000000 (24 bits)
Octal 0o40534300
Hexadecimal 0x82B8C0

Divisor Catalog (56)

1 2 4 8 11 16 22 32 43 44 64 86 88 172 176 283 344 352 473 566 688 704 946 1,132 1,376 1,892 2,264 2,752 3,113 3,784 4,528 6,226 7,568 9,056 12,169 12,452 15,136 18,112 24,338 24,904 30,272 48,676 49,808 97,352 99,616 133,859 194,704 199,232 267,718 389,408 535,436 778,816 1,070,872 2,141,744 4,283,488 8,566,976

Collatz Trajectory (49 steps to reach 1)

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

8,566,976 4,283,488 2,141,744 1,070,872 535,436 267,718 133,859 401,578 200,789 602,368 301,184 150,592 75,296 37,648 18,824 9,412 4,706 2,353 7,060 3,530 1,765 5,296 2,648 1,324 662 331 994 497 1,492 746 373 1,120 560 280 140 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

More profiles

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