8299
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
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 8536
- Proper Divisor Sum (Aliquot Sum)
- 237
- 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
- 8064
- Möbius Function
- 1
- Radical
- 8299
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 158
- 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
- Number of directed site animals on hexagonal lattice.at n=14A006861
- Strong pseudoprimes to base 85.at n=9A020311
- a(n) = n*(9*n - 1)/2.at n=43A022266
- Numbers k that divide the (right) concatenation of all numbers <= k written in base 13 (most significant digit on left).at n=35A029458
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 11 ones.at n=18A031779
- Number of partitions of n into parts not of the form 19k, 19k+7 or 19k-7. Also number of partitions with at most 6 parts of size 1 and differences between parts at distance 8 are greater than 1.at n=33A035976
- Positive numbers having the same set of digits in base 7 and base 9.at n=37A037439
- Geometric mean of the digits = 6. In other words, the product of the digits is = 6^k where k is the number of digits.at n=45A061429
- Composite numbers not divisible by 2 or 3 which in base 3 contain their largest proper factor as a substring.at n=14A063132
- Composite numbers which in base 9 contain their largest proper factor as a substring.at n=4A063172
- Duplicate of A063132.at n=14A063874
- Duplicate of A063172.at n=4A063879
- Numbers, not composed of the same digits, such that the geometric and arithmetic means of their decimal digits are integers.at n=36A067452
- Numbers n such that phi(reversal(n)) = reversal(phi(n)). Ignore leading 0's.at n=14A069282
- Sum of sigma(j) for 1<=j<=10^n, where sigma(j) is the sum of the divisors of j.at n=2A072692
- Expansion of (1 + 2*x^3)/(1 - x - 4*x^7).at n=26A098528
- Integer part of n#/((p-11)# 11#), where p=preceding prime to n.at n=57A102789
- Index of first occurrence of n-th prime in A001203, the continued fraction for Pi.at n=32A107892
- Products of two primes that are not Chen primes.at n=21A115719
- Numbers k such that k + prime(k) gives a triangular number.at n=31A115882