1,964,410

2 × 5 × 7² × 19 × 211

Starting at 1,964,410, the Collatz iteration reaches 1 after 78 steps. The first transition is 982205; the starting value is even with 48 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 7^2 × 19 × 211

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 4,350,240

Proper Divisor Sum 2,385,830

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1964399 ← → #1964411

Radix Representation

Decimal	1964410
Binary	111011111100101111010 (21 bits)
Octal	0o7374572
Hexadecimal	0x1DF97A

Divisor Catalog (48)

1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 211 245 266 422 490 665 931 1,055 1,330 1,477 1,862 2,110 2,954 4,009 4,655 7,385 8,018 9,310 10,339 14,770 20,045 20,678 28,063 40,090 51,695 56,126 103,390 140,315 196,441 280,630 392,882 982,205 1,964,410

Collatz Trajectory (78 steps to reach 1)

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

1,964,410 982,205 2,946,616 1,473,308 736,654 368,327 1,104,982 552,491 1,657,474 828,737 2,486,212 1,243,106 621,553 1,864,660 932,330 466,165 1,398,496 699,248 349,624 174,812 87,406 43,703 131,110 65,555 196,666 98,333 295,000 147,500 73,750 36,875 110,626 55,313 165,940 82,970 41,485 124,456 62,228 31,114 15,557 46,672 23,336 11,668 5,834 2,917 8,752 4,376 2,188 1,094 547 1,642 821 2,464 1,232 616 308 154 77 232 116 58

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