1,931,340

2² × 3 × 5 × 32189

Starting at 1,931,340, the Collatz iteration reaches 1 after 215 steps. The first transition is 965670; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 5 × 32189

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 5,407,920

Proper Divisor Sum 3,476,580

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1931339 ← → #1931341

Radix Representation

Decimal	1931340
Binary	111010111100001001100 (21 bits)
Octal	0o7274114
Hexadecimal	0x1D784C

Divisor Catalog (24)

1 2 3 4 5 6 10 12 15 20 30 60 32,189 64,378 96,567 128,756 160,945 193,134 321,890 386,268 482,835 643,780 965,670 1,931,340

Collatz Trajectory (215 steps to reach 1)

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

1,931,340 965,670 482,835 1,448,506 724,253 2,172,760 1,086,380 543,190 271,595 814,786 407,393 1,222,180 611,090 305,545 916,636 458,318 229,159 687,478 343,739 1,031,218 515,609 1,546,828 773,414 386,707 1,160,122 580,061 1,740,184 870,092 435,046 217,523 652,570 326,285 978,856 489,428 244,714 122,357 367,072 183,536 91,768 45,884 22,942 11,471 34,414 17,207 51,622 25,811 77,434 38,717 116,152 58,076 29,038 14,519 43,558 21,779 65,338 32,669 98,008 49,004 24,502 12,251

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