10898
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 26
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16350
- Proper Divisor Sum (Aliquot Sum)
- 5452
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 5448
- Möbius Function
- 1
- Radical
- 10898
- 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
- 161
- 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
- yes
- Odd
- no
Appears in sequences
- Numbers such that ten iterations of Reverse and Add are needed to reach a palindrome.at n=22A015991
- Denominators of continued fraction convergents to sqrt(809).at n=9A042561
- Numbers having four 2's in base 8.at n=27A043432
- Numbers k such that k^18 == 1 (mod 19^3).at n=28A056089
- Numbers k such that 2*6^k - 1 is prime.at n=35A057472
- Numbers which need ten 'Reverse and Add' steps to reach a palindrome.at n=21A065215
- Numbers k such that (2*k)!/(2*(k!)^2)+1 is prime.at n=40A112863
- Invert transform of the Bell numbers.at n=8A129247
- Elements of A005282 that are also the sum of a pair of not necessarily distinct elements of A005282.at n=16A133604
- Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 2,1 3,0 polyhexes in any orientation on a planar nXnXn triangular grid.at n=5A155228
- Number of n X 6 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=4A207109
- T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=49A207111
- Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=5A207114
- a(0)=1, a(n) = a(n-1) + a(2*n AND n), where AND is the bitwise AND operator.at n=37A215488
- Number of compositions of n with exactly seven descents.at n=3A241632
- Number of ways of making change for n cents using coins whose values are the previous terms in the sequence, starting with 1,2 cents.at n=54A267419
- Composite numbers n such that Sum_{k = 0..n} (-1)^k * C(n,k) * C(2*n,k) == -1 (mod n^3) (see A234839).at n=24A268303
- Sum of 4th powers of proper divisors of n.at n=19A279363
- Sum of the fifth largest parts of the partitions of n into 10 parts.at n=40A326594