1,976,581

43² × 1069

Starting at 1,976,581, the Collatz iteration reaches 1 after 65 steps. The first transition is 5929744; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 43^2 × 1069

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,025,510

Proper Divisor Sum 48,929

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1976563 ← → #1976593

Radix Representation

Decimal	1976581
Binary	111100010100100000101 (21 bits)
Octal	0o7424405
Hexadecimal	0x1E2905

Divisor Catalog (6)

1 43 1,069 1,849 45,967 1,976,581

Collatz Trajectory (65 steps to reach 1)

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

1,976,581 5,929,744 2,964,872 1,482,436 741,218 370,609 1,111,828 555,914 277,957 833,872 416,936 208,468 104,234 52,117 156,352 78,176 39,088 19,544 9,772 4,886 2,443 7,330 3,665 10,996 5,498 2,749 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10

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