4,313,643

3 × 73 × 19697

Starting at 4,313,643, the Collatz iteration reaches 1 after 74 steps. The first transition is 12940930; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 73 × 19697

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 5,830,608

Proper Divisor Sum 1,516,965

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #4313641 ← → #4313653

Radix Representation

Decimal	4313643
Binary	10000011101001000101011 (23 bits)
Octal	0o20351053
Hexadecimal	0x41D22B

Divisor Catalog (8)

1 3 73 219 19,697 59,091 1,437,881 4,313,643

Collatz Trajectory (74 steps to reach 1)

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

4,313,643 12,940,930 6,470,465 19,411,396 9,705,698 4,852,849 14,558,548 7,279,274 3,639,637 10,918,912 5,459,456 2,729,728 1,364,864 682,432 341,216 170,608 85,304 42,652 21,326 10,663 31,990 15,995 47,986 23,993 71,980 35,990 17,995 53,986 26,993 80,980 40,490 20,245 60,736 30,368 15,184 7,592 3,796 1,898 949 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22

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