λ
Integer Codex

1,395,988

22 × 11 × 31727
Deficient Even Composite

For 1,395,988, the 12 positive divisors have a total of 2,665,152. Removing 1,395,988 leaves 1,269,164, which gives the deficient classification.

Prime Factor Structure

Factorization String 2^2 × 11 × 31727
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 2,665,152
Proper Divisor Sum 1,269,164
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #1395983 ← → #1395991

Radix Representation

Decimal 1395988
Binary 101010100110100010100 (21 bits)
Octal 0o5246424
Hexadecimal 0x154D14

Divisor Catalog (12)

1 2 4 11 22 44 31,727 63,454 126,908 348,997 697,994 1,395,988

Collatz Trajectory (168 steps to reach 1)

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

1,395,988 697,994 348,997 1,046,992 523,496 261,748 130,874 65,437 196,312 98,156 49,078 24,539 73,618 36,809 110,428 55,214 27,607 82,822 41,411 124,234 62,117 186,352 93,176 46,588 23,294 11,647 34,942 17,471 52,414 26,207 78,622 39,311 117,934 58,967 176,902 88,451 265,354 132,677 398,032 199,016 99,508 49,754 24,877 74,632 37,316 18,658 9,329 27,988 13,994 6,997 20,992 10,496 5,248 2,624 1,312 656 328 164 82 41

More profiles

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