λ
Sigma Notebook

1,617,389

929 × 1741
Deficient Odd Composite

1,617,389 is odd and not a perfect square. Its factorization is 929 × 1741 and its 4 divisors sum to 1,620,060.

Prime Factor Structure

Factorization String 929 × 1741
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,620,060
Proper Divisor Sum 2,671
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #1617373 ← → #1617391

Radix Representation

Decimal 1617389
Binary 110001010110111101101 (21 bits)
Octal 0o6126755
Hexadecimal 0x18ADED

Divisor Catalog (4)

1 929 1,741 1,617,389

Collatz Trajectory (119 steps to reach 1)

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

1,617,389 4,852,168 2,426,084 1,213,042 606,521 1,819,564 909,782 454,891 1,364,674 682,337 2,047,012 1,023,506 511,753 1,535,260 767,630 383,815 1,151,446 575,723 1,727,170 863,585 2,590,756 1,295,378 647,689 1,943,068 971,534 485,767 1,457,302 728,651 2,185,954 1,092,977 3,278,932 1,639,466 819,733 2,459,200 1,229,600 614,800 307,400 153,700 76,850 38,425 115,276 57,638 28,819 86,458 43,229 129,688 64,844 32,422 16,211 48,634 24,317 72,952 36,476 18,238 9,119 27,358 13,679 41,038 20,519 61,558

More profiles

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