1,371,547

109 × 12583

Starting at 1,371,547, the Collatz iteration reaches 1 after 80 steps. The first transition is 4114642; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 109 × 12583

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,384,240

Proper Divisor Sum 12,693

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1371541 ← → #1371551

Radix Representation

Decimal	1371547
Binary	101001110110110011011 (21 bits)
Octal	0o5166633
Hexadecimal	0x14ED9B

Divisor Catalog (4)

1 109 12,583 1,371,547

Collatz Trajectory (80 steps to reach 1)

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

1,371,547 4,114,642 2,057,321 6,171,964 3,085,982 1,542,991 4,628,974 2,314,487 6,943,462 3,471,731 10,415,194 5,207,597 15,622,792 7,811,396 3,905,698 1,952,849 5,858,548 2,929,274 1,464,637 4,393,912 2,196,956 1,098,478 549,239 1,647,718 823,859 2,471,578 1,235,789 3,707,368 1,853,684 926,842 463,421 1,390,264 695,132 347,566 173,783 521,350 260,675 782,026 391,013 1,173,040 586,520 293,260 146,630 73,315 219,946 109,973 329,920 164,960 82,480 41,240 20,620 10,310 5,155 15,466 7,733 23,200 11,600 5,800 2,900 1,450

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