λ
Modular Archive

842,681

7 × 120383
Deficient Odd Composite

The decimal integer 842,681 is 11001101101110111001 in binary (20 bits), 3155671 in octal and CDBB9 in hexadecimal. Its digit sum is 29.

Prime Factor Structure

Factorization String 7 × 120383
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 963,072
Proper Divisor Sum 120,391
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #842657 ← → #842701

Radix Representation

Decimal 842681
Binary 11001101101110111001 (20 bits)
Octal 0o3155671
Hexadecimal 0xCDBB9

Divisor Catalog (4)

1 7 120,383 842,681

Collatz Trajectory (175 steps to reach 1)

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

842,681 2,528,044 1,264,022 632,011 1,896,034 948,017 2,844,052 1,422,026 711,013 2,133,040 1,066,520 533,260 266,630 133,315 399,946 199,973 599,920 299,960 149,980 74,990 37,495 112,486 56,243 168,730 84,365 253,096 126,548 63,274 31,637 94,912 47,456 23,728 11,864 5,932 2,966 1,483 4,450 2,225 6,676 3,338 1,669 5,008 2,504 1,252 626 313 940 470 235 706 353 1,060 530 265 796 398 199 598 299 898

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