21,238,121

29 × 739 × 991

Prime Factor Structure

Factorization String 29 × 739 × 991

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Total Divisors 8

Divisor Sum (σ) 22,022,400

Proper Divisor Sum 784,279

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21238103 ← → #21238127

1 29 739 991 21,431 28,739 732,349 21,238,121

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

21,238,121 63,714,364 31,857,182 15,928,591 47,785,774 23,892,887 71,678,662 35,839,331 107,517,994 53,758,997 161,276,992 80,638,496 40,319,248 20,159,624 10,079,812 5,039,906 2,519,953 7,559,860 3,779,930 1,889,965 5,669,896 2,834,948 1,417,474 708,737 2,126,212 1,063,106 531,553 1,594,660 797,330 398,665 1,195,996 597,998 298,999 896,998 448,499 1,345,498 672,749 2,018,248 1,009,124 504,562 252,281 756,844 378,422 189,211 567,634 283,817 851,452 425,726 212,863 638,590 319,295 957,886 478,943 1,436,830 718,415 2,155,246 1,077,623 3,232,870 1,616,435 4,849,306

Browse other published profiles and their separate link collections.

No other profiles in this collection.