λ
Sequence Observatory

1,904,874

2 × 3 × 59 × 5381
Abundant Even Composite

Starting at 1,904,874, the Collatz iteration reaches 1 after 122 steps. The first transition is 952437; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 59 × 5381
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,875,040
Proper Divisor Sum 1,970,166
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #1904869 ← → #1904879

Radix Representation

Decimal 1904874
Binary 111010001000011101010 (21 bits)
Octal 0o7210352
Hexadecimal 0x1D10EA

Divisor Catalog (16)

1 2 3 6 59 118 177 354 5,381 10,762 16,143 32,286 317,479 634,958 952,437 1,904,874

Collatz Trajectory (122 steps to reach 1)

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

1,904,874 952,437 2,857,312 1,428,656 714,328 357,164 178,582 89,291 267,874 133,937 401,812 200,906 100,453 301,360 150,680 75,340 37,670 18,835 56,506 28,253 84,760 42,380 21,190 10,595 31,786 15,893 47,680 23,840 11,920 5,960 2,980 1,490 745 2,236 1,118 559 1,678 839 2,518 1,259 3,778 1,889 5,668 2,834 1,417 4,252 2,126 1,063 3,190 1,595 4,786 2,393 7,180 3,590 1,795 5,386 2,693 8,080 4,040 2,020

More profiles

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