λ
Sequence Observatory

2,285,384

23 × 285673
Deficient Even Composite

Starting at 2,285,384, the Collatz iteration reaches 1 after 254 steps. The first transition is 1142692; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 285673
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,285,110
Proper Divisor Sum 1,999,726
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2285369 ← → #2285389

Radix Representation

Decimal 2285384
Binary 1000101101111101001000 (22 bits)
Octal 0o10557510
Hexadecimal 0x22DF48

Divisor Catalog (8)

1 2 4 8 285,673 571,346 1,142,692 2,285,384

Collatz Trajectory (254 steps to reach 1)

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

2,285,384 1,142,692 571,346 285,673 857,020 428,510 214,255 642,766 321,383 964,150 482,075 1,446,226 723,113 2,169,340 1,084,670 542,335 1,627,006 813,503 2,440,510 1,220,255 3,660,766 1,830,383 5,491,150 2,745,575 8,236,726 4,118,363 12,355,090 6,177,545 18,532,636 9,266,318 4,633,159 13,899,478 6,949,739 20,849,218 10,424,609 31,273,828 15,636,914 7,818,457 23,455,372 11,727,686 5,863,843 17,591,530 8,795,765 26,387,296 13,193,648 6,596,824 3,298,412 1,649,206 824,603 2,473,810 1,236,905 3,710,716 1,855,358 927,679 2,783,038 1,391,519 4,174,558 2,087,279 6,261,838 3,130,919

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