λ
Sigma Notebook

1,342,159

74 × 13 × 43
Deficient Odd Composite

1,342,159 is odd and not a perfect square. Its factorization is 7^4 × 13 × 43 and its 20 divisors sum to 1,725,416.

Prime Factor Structure

Factorization String 7^4 × 13 × 43
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 1,725,416
Proper Divisor Sum 383,257
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1342153 ← → #1342163

Radix Representation

Decimal 1342159
Binary 101000111101011001111 (21 bits)
Octal 0o5075317
Hexadecimal 0x147ACF

Divisor Catalog (20)

1 7 13 43 49 91 301 343 559 637 2,107 2,401 3,913 4,459 14,749 27,391 31,213 103,243 191,737 1,342,159

Collatz Trajectory (217 steps to reach 1)

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

1,342,159 4,026,478 2,013,239 6,039,718 3,019,859 9,059,578 4,529,789 13,589,368 6,794,684 3,397,342 1,698,671 5,096,014 2,548,007 7,644,022 3,822,011 11,466,034 5,733,017 17,199,052 8,599,526 4,299,763 12,899,290 6,449,645 19,348,936 9,674,468 4,837,234 2,418,617 7,255,852 3,627,926 1,813,963 5,441,890 2,720,945 8,162,836 4,081,418 2,040,709 6,122,128 3,061,064 1,530,532 765,266 382,633 1,147,900 573,950 286,975 860,926 430,463 1,291,390 645,695 1,937,086 968,543 2,905,630 1,452,815 4,358,446 2,179,223 6,537,670 3,268,835 9,806,506 4,903,253 14,709,760 7,354,880 3,677,440 1,838,720

More profiles

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