21,425,152

2¹⁰ × 7³ × 61

Prime Factor Structure

Factorization String 2^10 × 7^3 × 61

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Total Divisors 88

Divisor Sum (σ) 50,765,600

Proper Divisor Sum 29,340,448

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #21425147 ← → #21425153

1 2 4 7 8 14 16 28 32 49 56 61 64 98 112 122 128 196 224 244 256 343 392 427 448 488 512 686 784 854 896 976 1,024 1,372 1,568 1,708 1,792 1,952 2,744 2,989 3,136 3,416 3,584 3,904 5,488 5,978 6,272 6,832 7,168 7,808 10,976 11,956 12,544 13,664 15,616 20,923 21,952 23,912 25,088 27,328

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

21,425,152 10,712,576 5,356,288 2,678,144 1,339,072 669,536 334,768 167,384 83,692 41,846 20,923 62,770 31,385 94,156 47,078 23,539 70,618 35,309 105,928 52,964 26,482 13,241 39,724 19,862 9,931 29,794 14,897 44,692 22,346 11,173 33,520 16,760 8,380 4,190 2,095 6,286 3,143 9,430 4,715 14,146 7,073 21,220 10,610 5,305 15,916 7,958 3,979 11,938 5,969 17,908 8,954 4,477 13,432 6,716 3,358 1,679 5,038 2,519 7,558 3,779

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