λ
Sequence Observatory

1,805,752

23 × 13 × 97 × 179
Abundant Even Composite

Starting at 1,805,752, the Collatz iteration reaches 1 after 88 steps. The first transition is 902876; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 13 × 97 × 179
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 3,704,400
Proper Divisor Sum 1,898,648
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #1805747 ← → #1805761

Radix Representation

Decimal 1805752
Binary 110111000110110111000 (21 bits)
Octal 0o6706670
Hexadecimal 0x1B8DB8

Divisor Catalog (32)

1 2 4 8 13 26 52 97 104 179 194 358 388 716 776 1,261 1,432 2,327 2,522 4,654 5,044 9,308 10,088 17,363 18,616 34,726 69,452 138,904 225,719 451,438 902,876 1,805,752

Collatz Trajectory (88 steps to reach 1)

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

1,805,752 902,876 451,438 225,719 677,158 338,579 1,015,738 507,869 1,523,608 761,804 380,902 190,451 571,354 285,677 857,032 428,516 214,258 107,129 321,388 160,694 80,347 241,042 120,521 361,564 180,782 90,391 271,174 135,587 406,762 203,381 610,144 305,072 152,536 76,268 38,134 19,067 57,202 28,601 85,804 42,902 21,451 64,354 32,177 96,532 48,266 24,133 72,400 36,200 18,100 9,050 4,525 13,576 6,788 3,394 1,697 5,092 2,546 1,273 3,820 1,910

More profiles

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