λ
Sigma Notebook

1,378,582

2 × 689291
Deficient Even Composite

1,378,582 is even and not a perfect square. Its factorization is 2 × 689291 and its 4 divisors sum to 2,067,876.

Prime Factor Structure

Factorization String 2 × 689291
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,067,876
Proper Divisor Sum 689,294
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #1378579 ← → #1378589

Radix Representation

Decimal 1378582
Binary 101010000100100010110 (21 bits)
Octal 0o5204426
Hexadecimal 0x150916

Divisor Catalog (4)

1 2 689,291 1,378,582

Collatz Trajectory (168 steps to reach 1)

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

1,378,582 689,291 2,067,874 1,033,937 3,101,812 1,550,906 775,453 2,326,360 1,163,180 581,590 290,795 872,386 436,193 1,308,580 654,290 327,145 981,436 490,718 245,359 736,078 368,039 1,104,118 552,059 1,656,178 828,089 2,484,268 1,242,134 621,067 1,863,202 931,601 2,794,804 1,397,402 698,701 2,096,104 1,048,052 524,026 262,013 786,040 393,020 196,510 98,255 294,766 147,383 442,150 221,075 663,226 331,613 994,840 497,420 248,710 124,355 373,066 186,533 559,600 279,800 139,900 69,950 34,975 104,926 52,463

More profiles

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