λ
Sequence Observatory

940,451

691 × 1361
Deficient Odd Composite

Starting at 940,451, the Collatz iteration reaches 1 after 152 steps. The first transition is 2821354; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 691 × 1361
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 942,504
Proper Divisor Sum 2,053
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #940421 ← → #940469

Radix Representation

Decimal 940451
Binary 11100101100110100011 (20 bits)
Octal 0o3454643
Hexadecimal 0xE59A3

Divisor Catalog (4)

1 691 1,361 940,451

Collatz Trajectory (152 steps to reach 1)

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

940,451 2,821,354 1,410,677 4,232,032 2,116,016 1,058,008 529,004 264,502 132,251 396,754 198,377 595,132 297,566 148,783 446,350 223,175 669,526 334,763 1,004,290 502,145 1,506,436 753,218 376,609 1,129,828 564,914 282,457 847,372 423,686 211,843 635,530 317,765 953,296 476,648 238,324 119,162 59,581 178,744 89,372 44,686 22,343 67,030 33,515 100,546 50,273 150,820 75,410 37,705 113,116 56,558 28,279 84,838 42,419 127,258 63,629 190,888 95,444 47,722 23,861 71,584 35,792

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