Integer Profile

2,142,542

2 × 23 × 47 × 991

Prime factors, divisor sums, positional representations and sequence properties for 2,142,542. The prime factorization is 2 × 23 × 47 × 991.

Number of positive divisors: 16. Showing the recorded part of the sequence: 254.

DeficientEvenComposite

Arithmetic properties

Positive divisors: 16
Divisor sum: 3,428,352
Proper-divisor sum: 1,285,810
Digit sum: 20
Digital root: 2

Number bases

Decimal: 2142542
Binary: 1000001011000101001110 (22 bits)
Octal: 0o10130516
Hexadecimal: 0x20B14E

Divisor catalog (16)

12234647949911,0811,9822,16222,79345,58646,57793,1541,071,2712,142,542

Showing 16 of 16.

Collatz trajectory (254 steps)

Even: n → n/2; Odd: n → 3n + 1

2,142,5421,071,2713,213,8141,606,9074,820,7222,410,3617,231,0843,615,5421,807,7715,423,3142,711,6578,134,9724,067,4862,033,7436,101,2303,050,6159,151,8464,575,92313,727,7706,863,88520,591,65610,295,8285,147,9142,573,9577,721,8723,860,9361,930,468965,234482,6171,447,852723,926361,9631,085,890542,9451,628,836814,418407,2091,221,628610,814305,407916,222458,1111,374,334687,1672,061,5021,030,7513,092,2541,546,1274,638,3822,319,1916,957,5743,478,78710,436,3625,218,18115,654,5447,827,2723,913,6361,956,818978,4092,935,228

Showing 60 of 60.

Prime factorization

Factorization: 2 × 23 × 47 × 991
Distinct prime factors: 4
Perfect square: No
Parity: Even