λ
Sequence Observatory

1,895,921

79 × 103 × 233
Deficient Odd Composite

Starting at 1,895,921, the Collatz iteration reaches 1 after 65 steps. The first transition is 5687764; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 79 × 103 × 233
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,946,880
Proper Divisor Sum 50,959
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1895909 ← → #1895939

Radix Representation

Decimal 1895921
Binary 111001110110111110001 (21 bits)
Octal 0o7166761
Hexadecimal 0x1CEDF1

Divisor Catalog (8)

1 79 103 233 8,137 18,407 23,999 1,895,921

Collatz Trajectory (65 steps to reach 1)

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

1,895,921 5,687,764 2,843,882 1,421,941 4,265,824 2,132,912 1,066,456 533,228 266,614 133,307 399,922 199,961 599,884 299,942 149,971 449,914 224,957 674,872 337,436 168,718 84,359 253,078 126,539 379,618 189,809 569,428 284,714 142,357 427,072 213,536 106,768 53,384 26,692 13,346 6,673 20,020 10,010 5,005 15,016 7,508 3,754 1,877 5,632 2,816 1,408 704 352 176 88 44 22 11 34 17 52 26 13 40 20 10

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