λ
Sequence Observatory

1,853,514

2 × 32 × 13 × 892
Abundant Even Composite

Starting at 1,853,514, the Collatz iteration reaches 1 after 52 steps. The first transition is 926757; the starting value is even with 36 positive divisors.

Prime Factor Structure

Factorization String 2 × 3^2 × 13 × 89^2
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 36
Divisor Sum (σ) 4,374,006
Proper Divisor Sum 2,520,492
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #1853513 ← → #1853549

Radix Representation

Decimal 1853514
Binary 111000100100001001010 (21 bits)
Octal 0o7044112
Hexadecimal 0x1C484A

Divisor Catalog (36)

1 2 3 6 9 13 18 26 39 78 89 117 178 234 267 534 801 1,157 1,602 2,314 3,471 6,942 7,921 10,413 15,842 20,826 23,763 47,526 71,289 102,973 142,578 205,946 308,919 617,838 926,757 1,853,514

Collatz Trajectory (52 steps to reach 1)

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

1,853,514 926,757 2,780,272 1,390,136 695,068 347,534 173,767 521,302 260,651 781,954 390,977 1,172,932 586,466 293,233 879,700 439,850 219,925 659,776 329,888 164,944 82,472 41,236 20,618 10,309 30,928 15,464 7,732 3,866 1,933 5,800 2,900 1,450 725 2,176 1,088 544 272 136 68 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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