9469
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 28
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 10044
- Proper Divisor Sum (Aliquot Sum)
- 575
- 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
- 8896
- Möbius Function
- 1
- Radical
- 9469
- Omega Function (Ω)
- 2
- 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
- 91
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- no
- Odd
- yes
Appears in sequences
- Numbers k such that the continued fraction for sqrt(k) has period 84.at n=33A020423
- For n weights, number of combinations when limited to two weights per pan.at n=17A037255
- Numbers whose base-5 representation contains exactly two 0's and three 3's.at n=32A045198
- Semiprimes with semiprime digits (digits 4, 6, 9 only).at n=30A107342
- Start with 1 and repeatedly reverse the digits and add 48 to get the next term.at n=45A118160
- Numbers k such that k and k^2 use only the digits 1, 4, 6, 8 and 9.at n=15A137055
- Minimum value unattainable as the sum of 6 attained values of i^2 with i in 0..n.at n=42A225279
- Number of partitions p of n such that (number of odd numbers in p) is a part of p.at n=35A241545
- a(n) = n-th pi-based antiderivative of 7.at n=15A259168
- Number of nX(n+3) arrays of permutations of n+3 copies of 0..n-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo n and the upper left element equal to 0.at n=6A267403
- Number of 7Xn arrays containing n copies of 0..7-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo 7 and the upper left element equal to 0.at n=9A267408
- Semiprimes with only semiprime digits, each appearing at least once.at n=12A349275
- Squarefree semiprimes k such that k+1 is the product of three distinct primes and k+2 is the product of four distinct primes.at n=3A376352