8375
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 10608
- Proper Divisor Sum (Aliquot Sum)
- 2233
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 6600
- Möbius Function
- 0
- Radical
- 335
- Omega Function (Ω)
- 4
- 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
- 65
- 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
- Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFO = AlPO4-41 [Al20P20O80] starting with a T1 atom.at n=5A018959
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly nine 1's.at n=29A020445
- Numbers in which 0,1,2,3,4,5 all occur in base 6.at n=2A031947
- Digitally balanced numbers in base 6: equal numbers of 0's, 1's, ..., 5's.at n=2A049357
- Triangle read by rows, in which n-th row contains smallest set of n consecutive numbers with distinct prime signatures.at n=45A083788
- Smallest start of n consecutive numbers with distinct prime signatures.at n=9A083790
- Duplicate of A083790.at n=9A086561
- Smallest of the first occurrence of n consecutive integers with all different prime signatures.at n=9A124058
- a(n) = a(n-1) + a(floor(n/2)) + a(ceiling(n/2)).at n=28A131205
- Moment sequence of t^2 coefficient in det(tI-A) for random matrix A in USp(6).at n=8A138549
- a(n) = n-th odd nonprime * n-th odd number.at n=33A163506
- First of two consecutive numbers with at least one 3 in their prime signature.at n=41A176313
- Position of start of first appearance of n consecutive 0's in the binary expansion of Pi.at n=11A178708
- Position of start of first appearance of n consecutive 0's in the binary expansion of Pi.at n=12A178708
- Position of start of first appearance of n consecutive 0's in the binary expansion of Pi.at n=13A178708
- Number of n X n 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=5A224140
- Number of n X 6 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=5A224144
- Number of 6 X n 0..1 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=5A224150
- Number of not unique partition coefficients of n.at n=34A309897
- Number k such that both k and k+1 have an equal number of unitary and nonunitary divisors.at n=34A335328