9376
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- yes
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 18522
- Proper Divisor Sum (Aliquot Sum)
- 9146
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4672
- Möbius Function
- 0
- Radical
- 586
- Omega Function (Ω)
- 6
- Little Omega Function (ω)
- 2
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 122
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Automorphic numbers: m^2 ends with m.at n=8A003226
- Numbers k such that k^2 and k have same last 3 digits.at n=38A008853
- a(n) = 16^(5^n) mod 10^n: Automorphic numbers ending in digit 6, with repetitions.at n=3A016090
- a(n) = 16^(5^n) mod 10^n: Automorphic numbers ending in digit 6, with repetitions.at n=4A016090
- Numbers k such that the decimal expansion of k^2 contains k as a substring.at n=24A018834
- Numbers k such that the continued fraction for sqrt(k) has period 84.at n=32A020423
- Least k>1 such that first n terms of Kolakoski sequence A000002 repeat in reverse order beginning at k-th term.at n=46A022295
- Convolution of natural numbers with Beatty sequence for tau^2 A001950.at n=26A023542
- Substring of both its square and its cube.at n=23A029943
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 47.at n=31A031545
- Trimorphic numbers: n^3 ends with n. Also m-morphic numbers for all m > 5 such that m-1 is not divisible by 10 and m == 3 (mod 4).at n=35A033819
- Hexamorphic numbers: k such that the k-th hexagonal number ends with k.at n=19A039594
- Numbers k such that decimal expansion of k^2 contains k as a substring and k does not end in 0.at n=8A046831
- Numbers k such that k^2 can be obtained from k by inserting a block of digits.at n=22A046838
- Numbers k such that k^4 == 1 (mod 5^5).at n=12A056102
- Smallest member of triple of consecutive numbers each of which is the sum of two different nonzero squares.at n=42A064715
- Numbers m such that m-th triangular number (A000217) ends in m.at n=5A067270
- Numbers n such that the digits of P_7(n), the n-th heptagonal number, end in n.at n=31A067271
- Automorphic numbers: numbers k such that k^6 ends with k. Also m-morphic numbers for all m not congruent to 26 (mod 50) but congruent to 6 (mod 10).at n=32A068408
- Lesser of three consecutive nonsquare integers each of which is the sum of two squares.at n=42A073412