λ
Sequence Observatory

8,643,053

8643053
Deficient Odd Prime

Starting at 8,643,053, the Collatz iteration reaches 1 after 212 steps. The first transition is 25929160; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 8643053
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 8,643,054
Proper Divisor Sum 1
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #8643023 ← → #8643059

Radix Representation

Decimal 8643053
Binary 100000111110000111101101 (24 bits)
Octal 0o40760755
Hexadecimal 0x83E1ED

Divisor Catalog (2)

Collatz Trajectory (212 steps to reach 1)

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

8,643,053 25,929,160 12,964,580 6,482,290 3,241,145 9,723,436 4,861,718 2,430,859 7,292,578 3,646,289 10,938,868 5,469,434 2,734,717 8,204,152 4,102,076 2,051,038 1,025,519 3,076,558 1,538,279 4,614,838 2,307,419 6,922,258 3,461,129 10,383,388 5,191,694 2,595,847 7,787,542 3,893,771 11,681,314 5,840,657 17,521,972 8,760,986 4,380,493 13,141,480 6,570,740 3,285,370 1,642,685 4,928,056 2,464,028 1,232,014 616,007 1,848,022 924,011 2,772,034 1,386,017 4,158,052 2,079,026 1,039,513 3,118,540 1,559,270 779,635 2,338,906 1,169,453 3,508,360 1,754,180 877,090 438,545 1,315,636 657,818 328,909

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