λ
Sequence Observatory

9,129,426

2 × 3 × 1521571
Abundant Even Composite

Starting at 9,129,426, the Collatz iteration reaches 1 after 269 steps. The first transition is 4564713; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 1521571
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 18,258,864
Proper Divisor Sum 9,129,438
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #9129401 ← → #9129437

Radix Representation

Decimal 9129426
Binary 100010110100110111010010 (24 bits)
Octal 0o42646722
Hexadecimal 0x8B4DD2

Divisor Catalog (8)

1 2 3 6 1,521,571 3,043,142 4,564,713 9,129,426

Collatz Trajectory (269 steps to reach 1)

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

9,129,426 4,564,713 13,694,140 6,847,070 3,423,535 10,270,606 5,135,303 15,405,910 7,702,955 23,108,866 11,554,433 34,663,300 17,331,650 8,665,825 25,997,476 12,998,738 6,499,369 19,498,108 9,749,054 4,874,527 14,623,582 7,311,791 21,935,374 10,967,687 32,903,062 16,451,531 49,354,594 24,677,297 74,031,892 37,015,946 18,507,973 55,523,920 27,761,960 13,880,980 6,940,490 3,470,245 10,410,736 5,205,368 2,602,684 1,301,342 650,671 1,952,014 976,007 2,928,022 1,464,011 4,392,034 2,196,017 6,588,052 3,294,026 1,647,013 4,941,040 2,470,520 1,235,260 617,630 308,815 926,446 463,223 1,389,670 694,835 2,084,506

More profiles

← Previous Integer #9,129,425 Browse Full Index Next Integer #9,129,427 →