λ
Sequence Observatory

1,725,047

751 × 2297
Deficient Odd Composite

Starting at 1,725,047, the Collatz iteration reaches 1 after 96 steps. The first transition is 5175142; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 751 × 2297
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,728,096
Proper Divisor Sum 3,049
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1725013 ← → #1725071

Radix Representation

Decimal 1725047
Binary 110100101001001110111 (21 bits)
Octal 0o6451167
Hexadecimal 0x1A5277

Divisor Catalog (4)

1 751 2,297 1,725,047

Collatz Trajectory (96 steps to reach 1)

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

1,725,047 5,175,142 2,587,571 7,762,714 3,881,357 11,644,072 5,822,036 2,911,018 1,455,509 4,366,528 2,183,264 1,091,632 545,816 272,908 136,454 68,227 204,682 102,341 307,024 153,512 76,756 38,378 19,189 57,568 28,784 14,392 7,196 3,598 1,799 5,398 2,699 8,098 4,049 12,148 6,074 3,037 9,112 4,556 2,278 1,139 3,418 1,709 5,128 2,564 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834

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