10397
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 20
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 10716
- Proper Divisor Sum (Aliquot Sum)
- 319
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 10080
- Möbius Function
- 1
- Radical
- 10397
- 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
- 148
- 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
- Powers of fifth root of 18 rounded up.at n=16A018167
- Number of binary [ n,6 ] codes of dimension <= 6 without zero columns.at n=11A034340
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 5.at n=16A051970
- Numbers k that, when expressed in base 5 and then interpreted in base 8, give a multiple of k.at n=31A062930
- a(n) is the smallest integer m such that A039995(m)=n.at n=16A094535
- Number of dissections of a convex n-gon by nonintersecting diagonals into an even number of regions.at n=7A100299
- a(n) is the smallest m for which A188550(m)=n, or a(n)=0 if no such m exists.at n=30A188586
- Number of (n+1) X 3 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=2A204870
- Number of (n+1) X 4 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=1A204871
- T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=7A204876
- T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=8A204876
- Semiprimes which have one or more occurrences of exactly five different digits.at n=19A235693
- a(n) = Sum_{i=1..n} ( Product_{k|i} d(k) ), where d(n) = A000005(n).at n=26A237349
- a(n) is the minimum number greater than a(n-1) such that the concatenation a(n) U a(n-1) U ... U a(1) is a Niven number, starting with a(1)=1.at n=43A239543
- Semiprimes generated by the polynomial 2 * n^2 + 29.at n=12A241554
- Five-digit odd semiprimes with all digits distinct.at n=13A247948
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 417", based on the 5-celled von Neumann neighborhood.at n=25A272018
- Numbers k such that (76*10^k + 77)/9 is prime.at n=17A294633
- a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = -1, a(1) = -1, a(2) = 2, a(3) = 3.at n=16A295722
- a(n) = 164*2^n - 99.at n=6A305157