λ
Match Zalai

1,671,613

31 × 53923
Deficient Odd Composite

1,671,613 factors as 31 × 53923. Its 4 positive divisors give a proper-divisor sum of 53,955, so this integer is deficient. The Collatz stopping time is 189 steps.

Prime Factor Structure

Factorization String 31 × 53923
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,725,568
Proper Divisor Sum 53,955
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1671599 ← → #1671619

Radix Representation

Decimal 1671613
Binary 110011000000110111101 (21 bits)
Octal 0o6300675
Hexadecimal 0x1981BD

Divisor Catalog (4)

1 31 53,923 1,671,613

Collatz Trajectory (189 steps to reach 1)

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

1,671,613 5,014,840 2,507,420 1,253,710 626,855 1,880,566 940,283 2,820,850 1,410,425 4,231,276 2,115,638 1,057,819 3,173,458 1,586,729 4,760,188 2,380,094 1,190,047 3,570,142 1,785,071 5,355,214 2,677,607 8,032,822 4,016,411 12,049,234 6,024,617 18,073,852 9,036,926 4,518,463 13,555,390 6,777,695 20,333,086 10,166,543 30,499,630 15,249,815 45,749,446 22,874,723 68,624,170 34,312,085 102,936,256 51,468,128 25,734,064 12,867,032 6,433,516 3,216,758 1,608,379 4,825,138 2,412,569 7,237,708 3,618,854 1,809,427 5,428,282 2,714,141 8,142,424 4,071,212 2,035,606 1,017,803 3,053,410 1,526,705 4,580,116 2,290,058

More profiles

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