λ
Modular Archive

690,002

2 × 345001
Deficient Even Composite

The decimal integer 690,002 is 10101000011101010010 in binary (20 bits), 2503522 in octal and A8752 in hexadecimal. Its digit sum is 17.

Prime Factor Structure

Factorization String 2 × 345001
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,035,006
Proper Divisor Sum 345,004
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #689987 ← → #690037

Radix Representation

Decimal 690002
Binary 10101000011101010010 (20 bits)
Octal 0o2503522
Hexadecimal 0xA8752

Divisor Catalog (4)

1 2 345,001 690,002

Collatz Trajectory (167 steps to reach 1)

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

690,002 345,001 1,035,004 517,502 258,751 776,254 388,127 1,164,382 582,191 1,746,574 873,287 2,619,862 1,309,931 3,929,794 1,964,897 5,894,692 2,947,346 1,473,673 4,421,020 2,210,510 1,105,255 3,315,766 1,657,883 4,973,650 2,486,825 7,460,476 3,730,238 1,865,119 5,595,358 2,797,679 8,393,038 4,196,519 12,589,558 6,294,779 18,884,338 9,442,169 28,326,508 14,163,254 7,081,627 21,244,882 10,622,441 31,867,324 15,933,662 7,966,831 23,900,494 11,950,247 35,850,742 17,925,371 53,776,114 26,888,057 80,664,172 40,332,086 20,166,043 60,498,130 30,249,065 90,747,196 45,373,598 22,686,799 68,060,398 34,030,199

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