λ
Sequence Observatory

1,772,897

7 × 233 × 1087
Deficient Odd Composite

Starting at 1,772,897, the Collatz iteration reaches 1 after 119 steps. The first transition is 5318692; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 7 × 233 × 1087
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,036,736
Proper Divisor Sum 263,839
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #1772893 ← → #1772923

Radix Representation

Decimal 1772897
Binary 110110000110101100001 (21 bits)
Octal 0o6606541
Hexadecimal 0x1B0D61

Divisor Catalog (8)

1 7 233 1,087 1,631 7,609 253,271 1,772,897

Collatz Trajectory (119 steps to reach 1)

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

1,772,897 5,318,692 2,659,346 1,329,673 3,989,020 1,994,510 997,255 2,991,766 1,495,883 4,487,650 2,243,825 6,731,476 3,365,738 1,682,869 5,048,608 2,524,304 1,262,152 631,076 315,538 157,769 473,308 236,654 118,327 354,982 177,491 532,474 266,237 798,712 399,356 199,678 99,839 299,518 149,759 449,278 224,639 673,918 336,959 1,010,878 505,439 1,516,318 758,159 2,274,478 1,137,239 3,411,718 1,705,859 5,117,578 2,558,789 7,676,368 3,838,184 1,919,092 959,546 479,773 1,439,320 719,660 359,830 179,915 539,746 269,873 809,620 404,810

More profiles

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