λ
Prime Ledger

1,371,661

1371661
Deficient Odd Prime

1,371,661 has the prime decomposition 1371661. Its 1 distinct prime factor produce 2 positive divisors.

Prime Factor Structure

Factorization String 1371661
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 1,371,662
Proper Divisor Sum 1
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #1371653 ← → #1371683

Radix Representation

Decimal 1371661
Binary 101001110111000001101 (21 bits)
Octal 0o5167015
Hexadecimal 0x14EE0D

Divisor Catalog (2)

Collatz Trajectory (137 steps to reach 1)

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

1,371,661 4,114,984 2,057,492 1,028,746 514,373 1,543,120 771,560 385,780 192,890 96,445 289,336 144,668 72,334 36,167 108,502 54,251 162,754 81,377 244,132 122,066 61,033 183,100 91,550 45,775 137,326 68,663 205,990 102,995 308,986 154,493 463,480 231,740 115,870 57,935 173,806 86,903 260,710 130,355 391,066 195,533 586,600 293,300 146,650 73,325 219,976 109,988 54,994 27,497 82,492 41,246 20,623 61,870 30,935 92,806 46,403 139,210 69,605 208,816 104,408 52,204

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