λ
Sequence Observatory

6,893,885

5 × 1378777
Deficient Odd Composite

Starting at 6,893,885, the Collatz iteration reaches 1 after 160 steps. The first transition is 20681656; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 5 × 1378777
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,272,668
Proper Divisor Sum 1,378,783
Digit Sum / Digital Root 47 (Root: 2)
Adjacent Primes #6893879 ← → #6893911

Radix Representation

Decimal 6893885
Binary 11010010011000100111101 (23 bits)
Octal 0o32230475
Hexadecimal 0x69313D

Divisor Catalog (4)

1 5 1,378,777 6,893,885

Collatz Trajectory (160 steps to reach 1)

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

6,893,885 20,681,656 10,340,828 5,170,414 2,585,207 7,755,622 3,877,811 11,633,434 5,816,717 17,450,152 8,725,076 4,362,538 2,181,269 6,543,808 3,271,904 1,635,952 817,976 408,988 204,494 102,247 306,742 153,371 460,114 230,057 690,172 345,086 172,543 517,630 258,815 776,446 388,223 1,164,670 582,335 1,747,006 873,503 2,620,510 1,310,255 3,930,766 1,965,383 5,896,150 2,948,075 8,844,226 4,422,113 13,266,340 6,633,170 3,316,585 9,949,756 4,974,878 2,487,439 7,462,318 3,731,159 11,193,478 5,596,739 16,790,218 8,395,109 25,185,328 12,592,664 6,296,332 3,148,166 1,574,083

More profiles

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