10469
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
- 6
- Divisor Sum
- 11430
- Proper Divisor Sum (Aliquot Sum)
- 961
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 9576
- Möbius Function
- 0
- Radical
- 551
- Omega Function (Ω)
- 3
- 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
- 86
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- a(n) = (2*n - 9)*n^2.at n=19A015243
- Numbers k such that the continued fraction for sqrt(k) has period 82.at n=30A020421
- Numbers k that divide the (right) concatenation of all numbers <= k written in base 19 (most significant digit on left).at n=46A029464
- Multiplicity of highest weight (or singular) vectors associated with character chi_67 of Monster module.at n=36A034455
- Product of n with sum of next n consecutive integers.at n=18A036659
- Denominators of continued fraction convergents to sqrt(217).at n=10A041405
- Numbers k such that x^k + x^2 + 1 is irreducible over GF(2).at n=13A057460
- Reflective numbers: k such that the decimal encoding of the prime factorization of k (A067599) is palindromic.at n=44A066985
- a(n)=floor{square((1*n^0+1*n^1+2*n^2+4*n^3)/(1*n^0+2*n^1+1*n^2))}.at n=26A086863
- Indices of primes in sequence defined by A(0) = 13, A(n) = 10*A(n-1) - 27 for n > 0.at n=17A102006
- Numbers k such that k and 8*k, taken together, are pandigital.at n=1A114126
- a(1)=1, a(n) = a(n-1) + n^4 if n odd, a(n) = a(n-1) + n^3 if n is even.at n=8A140160
- (0, 1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13,..) becomes (0^1*2, 3^2*2, 5^2*3, 7^2*3, 3^2*2, 5^11*2, 2^3*13,..).at n=38A143666
- Number of n X n binary arrays with all ones connected only either four adjacent vertically or four adjacent horizontally.at n=7A145789
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (-1, 0, 0), (1, -1, -1), (1, 1, 1)}.at n=8A149518
- Totally multiplicative sequence with a(p) = 10p-1 for prime p.at n=11A166659
- Partial sums of A118371.at n=45A173520
- Smallest number that contains the first n semiprimes as substrings.at n=3A173716
- Numbers with ordered partitions that have periods of length 5.at n=28A178572
- a(n) = 29*n^2.at n=19A244635