λ
Sequence Observatory

2,409,847

11 × 31 × 37 × 191
Deficient Odd Composite

Starting at 2,409,847, the Collatz iteration reaches 1 after 130 steps. The first transition is 7229542; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 11 × 31 × 37 × 191
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 2,801,664
Proper Divisor Sum 391,817
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #2409839 ← → #2409859

Radix Representation

Decimal 2409847
Binary 1001001100010101110111 (22 bits)
Octal 0o11142567
Hexadecimal 0x24C577

Divisor Catalog (16)

1 11 31 37 191 341 407 1,147 2,101 5,921 7,067 12,617 65,131 77,737 219,077 2,409,847

Collatz Trajectory (130 steps to reach 1)

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

2,409,847 7,229,542 3,614,771 10,844,314 5,422,157 16,266,472 8,133,236 4,066,618 2,033,309 6,099,928 3,049,964 1,524,982 762,491 2,287,474 1,143,737 3,431,212 1,715,606 857,803 2,573,410 1,286,705 3,860,116 1,930,058 965,029 2,895,088 1,447,544 723,772 361,886 180,943 542,830 271,415 814,246 407,123 1,221,370 610,685 1,832,056 916,028 458,014 229,007 687,022 343,511 1,030,534 515,267 1,545,802 772,901 2,318,704 1,159,352 579,676 289,838 144,919 434,758 217,379 652,138 326,069 978,208 489,104 244,552 122,276 61,138 30,569 91,708

More profiles

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