λ
Zalai Atlas

7,889,972

22 × 17 × 29 × 4001
Deficient Even Composite

7,889,972 has the prime decomposition 2^2 × 17 × 29 × 4001. Its 4 distinct prime factors produce 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 17 × 29 × 4001
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 15,127,560
Proper Divisor Sum 7,237,588
Digit Sum / Digital Root 50 (Root: 5)
Adjacent Primes #7889957 ← → #7889977

Radix Representation

Decimal 7889972
Binary 11110000110010000110100 (23 bits)
Octal 0o36062064
Hexadecimal 0x786434

Divisor Catalog (24)

1 2 4 17 29 34 58 68 116 493 986 1,972 4,001 8,002 16,004 68,017 116,029 136,034 232,058 272,068 464,116 1,972,493 3,944,986 7,889,972

Collatz Trajectory (142 steps to reach 1)

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

7,889,972 3,944,986 1,972,493 5,917,480 2,958,740 1,479,370 739,685 2,219,056 1,109,528 554,764 277,382 138,691 416,074 208,037 624,112 312,056 156,028 78,014 39,007 117,022 58,511 175,534 87,767 263,302 131,651 394,954 197,477 592,432 296,216 148,108 74,054 37,027 111,082 55,541 166,624 83,312 41,656 20,828 10,414 5,207 15,622 7,811 23,434 11,717 35,152 17,576 8,788 4,394 2,197 6,592 3,296 1,648 824 412 206 103 310 155 466 233

More profiles

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