10119
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 13496
- Proper Divisor Sum (Aliquot Sum)
- 3377
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6744
- Möbius Function
- 1
- Radical
- 10119
- 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
- 73
- 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 even period and if the last term of the periodic part is deleted the central term is 66.at n=40A031564
- Nearest integer to n^(5/2).at n=40A036488
- a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n-1 <= 2^(p+1), with a(1) = 1, a(2) = 3, and a(3) = 4.at n=12A049979
- McKay-Thompson series of class 34a for the Monster group.at n=38A058639
- a(n) = smallest k such that the Reverse and Add! trajectory of A063048(n) joins the trajectory of k.at n=33A089493
- 30*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 11.at n=8A090890
- Where records occur in A118878.at n=14A119904
- Numbers k for which 14*k+1, 14*k+5, 14*k+11 and 14*k+13 are primes.at n=35A123987
- Similar to A072921 but starting with 3.at n=39A152232
- a(n) = n^3 - (n+1)^2.at n=22A153257
- Integer part of square root of n^5 = A000584(n).at n=39A155013
- Numbers which may represent a date in "condensed European notation" DDMMYY.at n=19A213182
- Numbers which may represent a date in "condensed American notation" MMDDYY.at n=19A213184
- Numbers with exactly 12 nonprime substrings (substrings with leading zeros are considered to be nonprime).at n=10A213319
- Permutation of natural numbers: a(n) = A048673(A244319(n)).at n=53A245610
- Numbers m, such that the smallest prime factor of 1+78557*2^m doesn't belong to the covering set {3, 5, 7, 13, 19, 37, 73}.at n=29A258095
- Number of length-n 0..4 arrays with no following elements larger than the first repeated value.at n=5A267467
- T(n,k)=Number of length-n 0..k arrays with no following elements larger than the first repeated value.at n=41A267471
- Number of length-6 0..n arrays with no following elements larger than the first repeated value.at n=3A267474
- Numbers k such that A361338(k) = 8.at n=24A361347