λ
Prime Ledger

1,379,721

3 × 7 × 65701
Deficient Odd Composite

1,379,721 has the prime decomposition 3 × 7 × 65701. Its 3 distinct prime factors produce 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 7 × 65701
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,102,464
Proper Divisor Sum 722,743
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #1379699 ← → #1379753

Radix Representation

Decimal 1379721
Binary 101010000110110001001 (21 bits)
Octal 0o5206611
Hexadecimal 0x150D89

Divisor Catalog (8)

1 3 7 21 65,701 197,103 459,907 1,379,721

Collatz Trajectory (93 steps to reach 1)

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

1,379,721 4,139,164 2,069,582 1,034,791 3,104,374 1,552,187 4,656,562 2,328,281 6,984,844 3,492,422 1,746,211 5,238,634 2,619,317 7,857,952 3,928,976 1,964,488 982,244 491,122 245,561 736,684 368,342 184,171 552,514 276,257 828,772 414,386 207,193 621,580 310,790 155,395 466,186 233,093 699,280 349,640 174,820 87,410 43,705 131,116 65,558 32,779 98,338 49,169 147,508 73,754 36,877 110,632 55,316 27,658 13,829 41,488 20,744 10,372 5,186 2,593 7,780 3,890 1,945 5,836 2,918 1,459

More profiles

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