λ
Sequence Observatory

6,779,581

6779581
Deficient Odd Prime

Starting at 6,779,581, the Collatz iteration reaches 1 after 253 steps. The first transition is 20338744; the starting value is odd with 2 positive divisors.

Prime Factor Structure

Factorization String 6779581
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 6,779,582
Proper Divisor Sum 1
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #6779567 ← → #6779587

Radix Representation

Decimal 6779581
Binary 11001110111001010111101 (23 bits)
Octal 0o31671275
Hexadecimal 0x6772BD

Divisor Catalog (2)

Collatz Trajectory (253 steps to reach 1)

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

6,779,581 20,338,744 10,169,372 5,084,686 2,542,343 7,627,030 3,813,515 11,440,546 5,720,273 17,160,820 8,580,410 4,290,205 12,870,616 6,435,308 3,217,654 1,608,827 4,826,482 2,413,241 7,239,724 3,619,862 1,809,931 5,429,794 2,714,897 8,144,692 4,072,346 2,036,173 6,108,520 3,054,260 1,527,130 763,565 2,290,696 1,145,348 572,674 286,337 859,012 429,506 214,753 644,260 322,130 161,065 483,196 241,598 120,799 362,398 181,199 543,598 271,799 815,398 407,699 1,223,098 611,549 1,834,648 917,324 458,662 229,331 687,994 343,997 1,031,992 515,996 257,998

More profiles

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