8,018,845

5 × 1603769

Starting at 8,018,845, the Collatz iteration reaches 1 after 142 steps. The first transition is 24056536; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1603769

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 9,622,620

Proper Divisor Sum 1,603,775

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #8018837 ← → #8018851

Radix Representation

Decimal	8018845
Binary	11110100101101110011101 (23 bits)
Octal	0o36455635
Hexadecimal	0x7A5B9D

Divisor Catalog (4)

1 5 1,603,769 8,018,845

Collatz Trajectory (142 steps to reach 1)

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

8,018,845 24,056,536 12,028,268 6,014,134 3,007,067 9,021,202 4,510,601 13,531,804 6,765,902 3,382,951 10,148,854 5,074,427 15,223,282 7,611,641 22,834,924 11,417,462 5,708,731 17,126,194 8,563,097 25,689,292 12,844,646 6,422,323 19,266,970 9,633,485 28,900,456 14,450,228 7,225,114 3,612,557 10,837,672 5,418,836 2,709,418 1,354,709 4,064,128 2,032,064 1,016,032 508,016 254,008 127,004 63,502 31,751 95,254 47,627 142,882 71,441 214,324 107,162 53,581 160,744 80,372 40,186 20,093 60,280 30,140 15,070 7,535 22,606 11,303 33,910 16,955 50,866

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