λ
Integer Codex

1,392,831

32 × 112 × 1279
Deficient Odd Composite

For 1,392,831, the 18 positive divisors have a total of 2,213,120. Removing 1,392,831 leaves 820,289, which gives the deficient classification.

Prime Factor Structure

Factorization String 3^2 × 11^2 × 1279
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 18
Divisor Sum (σ) 2,213,120
Proper Divisor Sum 820,289
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #1392829 ← → #1392847

Radix Representation

Decimal 1392831
Binary 101010100000010111111 (21 bits)
Octal 0o5240277
Hexadecimal 0x1540BF

Divisor Catalog (18)

1 3 9 11 33 99 121 363 1,089 1,279 3,837 11,511 14,069 42,207 126,621 154,759 464,277 1,392,831

Collatz Trajectory (199 steps to reach 1)

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

1,392,831 4,178,494 2,089,247 6,267,742 3,133,871 9,401,614 4,700,807 14,102,422 7,051,211 21,153,634 10,576,817 31,730,452 15,865,226 7,932,613 23,797,840 11,898,920 5,949,460 2,974,730 1,487,365 4,462,096 2,231,048 1,115,524 557,762 278,881 836,644 418,322 209,161 627,484 313,742 156,871 470,614 235,307 705,922 352,961 1,058,884 529,442 264,721 794,164 397,082 198,541 595,624 297,812 148,906 74,453 223,360 111,680 55,840 27,920 13,960 6,980 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474

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