λ
Prime Ledger

1,238,986

2 × 7 × 88499
Deficient Even Composite

1,238,986 has the prime decomposition 2 × 7 × 88499. Its 3 distinct prime factors produce 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 88499
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,124,000
Proper Divisor Sum 885,014
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #1238947 ← → #1238989

Radix Representation

Decimal 1238986
Binary 100101110011111001010 (21 bits)
Octal 0o4563712
Hexadecimal 0x12E7CA

Divisor Catalog (8)

1 2 7 14 88,499 176,998 619,493 1,238,986

Collatz Trajectory (173 steps to reach 1)

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

1,238,986 619,493 1,858,480 929,240 464,620 232,310 116,155 348,466 174,233 522,700 261,350 130,675 392,026 196,013 588,040 294,020 147,010 73,505 220,516 110,258 55,129 165,388 82,694 41,347 124,042 62,021 186,064 93,032 46,516 23,258 11,629 34,888 17,444 8,722 4,361 13,084 6,542 3,271 9,814 4,907 14,722 7,361 22,084 11,042 5,521 16,564 8,282 4,141 12,424 6,212 3,106 1,553 4,660 2,330 1,165 3,496 1,748 874 437 1,312

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