1,958,843

19 × 131 × 787

Starting at 1,958,843, the Collatz iteration reaches 1 after 91 steps. The first transition is 5876530; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 19 × 131 × 787

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,080,320

Proper Divisor Sum 121,477

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #1958837 ← → #1958861

Radix Representation

Decimal	1958843
Binary	111011110001110111011 (21 bits)
Octal	0o7361673
Hexadecimal	0x1DE3BB

Divisor Catalog (8)

1 19 131 787 2,489 14,953 103,097 1,958,843

Collatz Trajectory (91 steps to reach 1)

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

1,958,843 5,876,530 2,938,265 8,814,796 4,407,398 2,203,699 6,611,098 3,305,549 9,916,648 4,958,324 2,479,162 1,239,581 3,718,744 1,859,372 929,686 464,843 1,394,530 697,265 2,091,796 1,045,898 522,949 1,568,848 784,424 392,212 196,106 98,053 294,160 147,080 73,540 36,770 18,385 55,156 27,578 13,789 41,368 20,684 10,342 5,171 15,514 7,757 23,272 11,636 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692 346

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