9494
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 26
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 14688
- Proper Divisor Sum (Aliquot Sum)
- 5194
- 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
- 4600
- Möbius Function
- -1
- Radical
- 9494
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
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
- 153
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- yes
- 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
- Numbers whose consecutive digits differ by 5.at n=36A048407
- Numbers k such that A000010(k) divides A074639(k).at n=43A074645
- Least multiple of n == -1 (mod prime(n)).at n=46A090939
- Numbers n such that every digit of n and n-th prime contains a loop (only digits 0,4,6,8,9 in n and n-th prime).at n=15A107624
- 3-almost primes with semiprime digits (digits 4, 6, 9 only).at n=22A111494
- Numbers m having the same sum of divisors as m+20 has.at n=25A181647
- Monotonic ordering of set S generated by these rules: if x and y are in S then (x+1)(y+1) is in S, and 2 is in S.at n=43A192518
- Number of (w,x,y) with all terms in {0,...,n} and 2*max(w,x,y) < 3*min(w,x,y).at n=44A213391
- Number of nonsquare simple imperfect squared rectangles of order n up to symmetry.at n=17A220165
- Triangle read by rows: T(n,k) is the total number of parts of size k^2, 1 <= k <= n, in the set of partitions of an n X n square lattice into squares, considering only the list of parts.at n=56A226906
- Numbers k such that m^2 + k^2/m^2 is prime for every m|k.at n=45A236423
- Numbers k such that 1 + k + k^3 + k^5 + k^7 + k^9 + ... + k^45 is prime.at n=36A244387
- Even integers concatenated with themselves.at n=46A248422
- Number of partitions of n with product of multiplicities of parts equal to 10.at n=55A266693
- Numbers with digits 4 and 9 only.at n=24A284973
- Number of partitions of n with seven kinds of 1.at n=9A320753
- Decimal numbers m such that the product of the binary string of m and the binary string of m in reverse contains the binary string of m as a substring.at n=31A342130
- Numbers that are the sum of nine fourth powers in eight or more ways.at n=17A345592
- Numbers that are the sum of nine fourth powers in exactly eight ways.at n=15A345850
- Number of integers whose arithmetic derivative is equal to the n-th primorial.at n=6A351029