λ
Sequence Observatory

4,523,851

4523851
Deficient Odd Prime

Starting at 4,523,851, the Collatz iteration reaches 1 after 87 steps. The first transition is 13571554; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 4523851
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 4,523,852
Proper Divisor Sum 1
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #4523837 ← → #4523917

Radix Representation

Decimal 4523851
Binary 10001010000011101001011 (23 bits)
Octal 0o21203513
Hexadecimal 0x45074B

Divisor Catalog (2)

Collatz Trajectory (87 steps to reach 1)

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

4,523,851 13,571,554 6,785,777 20,357,332 10,178,666 5,089,333 15,268,000 7,634,000 3,817,000 1,908,500 954,250 477,125 1,431,376 715,688 357,844 178,922 89,461 268,384 134,192 67,096 33,548 16,774 8,387 25,162 12,581 37,744 18,872 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256 2,128 1,064 532 266 133

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