10246
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 15840
- Proper Divisor Sum (Aliquot Sum)
- 5594
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4968
- Möbius Function
- -1
- Radical
- 10246
- 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
- 148
- 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
- A generalized partition function.at n=15A002603
- Fibonacci numbers written in base 9.at n=20A004692
- Numbers that are the sum of 11 positive 11th powers.at n=5A004822
- Reversion of g.f. (beginning with constant term) for number of trees with n nodes.at n=19A007315
- Numbers with exactly five distinct base-10 digits.at n=8A031987
- Numerators of continued fraction convergents to sqrt(262).at n=6A041490
- Smallest k not a palindrome and not divisible by 10 such that k and R(k) (A004086) both are divisible by the n-th prime.at n=28A075605
- Number of cycles for vectors of length n under the Ducci map.at n=25A135547
- Index k of the semiprime A001358(k) = prime(n) * prime(n+1).at n=45A172348
- Monotonic ordering of nonnegative differences 7^i-3^j, for 40>= i>=0, j>=0.at n=21A192154
- Number of nX5 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 nX5 array.at n=3A218061
- T(n,k) = Number of n X k arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 n X k array.at n=31A218064
- Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 4Xn array.at n=4A218067
- Number of 3 X n 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.at n=23A223950
- Numbers n such that n^2048 + (n+1)^2048 is prime.at n=13A274235
- Numbers k such that (10^k + 41)/3 is prime.at n=21A281493
- Increasingly larger (in absolute value) extrema of the Mertens function A002321 between subsequent zeros.at n=41A304242
- Number of n-node rooted trees in which six equals the maximal number of nodes in paths starting at a leaf and ending at the first branching node or at the root.at n=10A318902
- Number of multisets of exactly eight partitions of positive integers into distinct parts with total sum of parts equal to n.at n=17A320793
- G.f.: g(x)^2 * g(x^2), where g(x) is the g.f. of A000081.at n=14A339985