λ
Sequence Observatory

1,724,314

2 × 862157
Deficient Even Composite

Starting at 1,724,314, the Collatz iteration reaches 1 after 189 steps. The first transition is 862157; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 862157
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,586,474
Proper Divisor Sum 862,160
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #1724309 ← → #1724321

Radix Representation

Decimal 1724314
Binary 110100100111110011010 (21 bits)
Octal 0o6447632
Hexadecimal 0x1A4F9A

Divisor Catalog (4)

1 2 862,157 1,724,314

Collatz Trajectory (189 steps to reach 1)

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

1,724,314 862,157 2,586,472 1,293,236 646,618 323,309 969,928 484,964 242,482 121,241 363,724 181,862 90,931 272,794 136,397 409,192 204,596 102,298 51,149 153,448 76,724 38,362 19,181 57,544 28,772 14,386 7,193 21,580 10,790 5,395 16,186 8,093 24,280 12,140 6,070 3,035 9,106 4,553 13,660 6,830 3,415 10,246 5,123 15,370 7,685 23,056 11,528 5,764 2,882 1,441 4,324 2,162 1,081 3,244 1,622 811 2,434 1,217 3,652 1,826

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