1,305,358

2 × 41 × 15919

Starting at 1,305,358, the Collatz iteration reaches 1 after 93 steps. The first transition is 652679; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 41 × 15919

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,005,920

Proper Divisor Sum 700,562

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1305307 ← → #1305371

Radix Representation

Decimal	1305358
Binary	100111110101100001110 (21 bits)
Octal	0o4765416
Hexadecimal	0x13EB0E

Divisor Catalog (8)

1 2 41 82 15,919 31,838 652,679 1,305,358

Collatz Trajectory (93 steps to reach 1)

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

1,305,358 652,679 1,958,038 979,019 2,937,058 1,468,529 4,405,588 2,202,794 1,101,397 3,304,192 1,652,096 826,048 413,024 206,512 103,256 51,628 25,814 12,907 38,722 19,361 58,084 29,042 14,521 43,564 21,782 10,891 32,674 16,337 49,012 24,506 12,253 36,760 18,380 9,190 4,595 13,786 6,893 20,680 10,340 5,170 2,585 7,756 3,878 1,939 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

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