4,504,143

3 × 7 × 214483

Starting at 4,504,143, the Collatz iteration reaches 1 after 162 steps. The first transition is 13512430; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 7 × 214483

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 6,863,488

Proper Divisor Sum 2,359,345

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #4504127 ← → #4504147

Radix Representation

Decimal	4504143
Binary	10001001011101001001111 (23 bits)
Octal	0o21135117
Hexadecimal	0x44BA4F

Divisor Catalog (8)

1 3 7 21 214,483 643,449 1,501,381 4,504,143

Collatz Trajectory (162 steps to reach 1)

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

4,504,143 13,512,430 6,756,215 20,268,646 10,134,323 30,402,970 15,201,485 45,604,456 22,802,228 11,401,114 5,700,557 17,101,672 8,550,836 4,275,418 2,137,709 6,413,128 3,206,564 1,603,282 801,641 2,404,924 1,202,462 601,231 1,803,694 901,847 2,705,542 1,352,771 4,058,314 2,029,157 6,087,472 3,043,736 1,521,868 760,934 380,467 1,141,402 570,701 1,712,104 856,052 428,026 214,013 642,040 321,020 160,510 80,255 240,766 120,383 361,150 180,575 541,726 270,863 812,590 406,295 1,218,886 609,443 1,828,330 914,165 2,742,496 1,371,248 685,624 342,812 171,406

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