926
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1392
- Proper Divisor Sum (Aliquot Sum)
- 466
- 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
- 462
- Möbius Function
- 1
- Radical
- 926
- 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
- 129
- Smith 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
Names
- German
- neunhundertsechsundzwanzig· ordinal: neunhundertsechsundzwanzigste
- English
- nine hundred twenty-six· ordinal: nine hundred twenty-sixth
- Spanish
- novecientos veintiséis· ordinal: 926º
- French
- neuf cent vingt-six· ordinal: neuf cent vingt-sixième
- Italian
- novecentoventisei· ordinal: 926º
- Latin
- nongenti viginti sex· ordinal: 926.
- Portuguese
- novecentos e vinte e seis· ordinal: 926º
Appears in sequences
- One half of the number of permutations of [n] such that the differences have 4 runs with the same signs.at n=2A000486
- Numbers beginning with letter 'n' in English.at n=38A000981
- Numbers that are the sum of 9 positive 6th powers.at n=13A003365
- Numbers that are a sum of distinct positive cubes in more than one way.at n=30A003998
- Expansion of (1 + x - x^5) / (1 - x)^3.at n=38A004120
- a(n) is the number of integers m which take n steps to reach 1 in '3x+1' problem.at n=31A005186
- Add 5, then reverse digits!.at n=25A007397
- a(n) = n OR n^2 (applied to binary expansions).at n=29A007745
- Number of lattice points inside circle of radius n is 4(a(n)+n)-3.at n=34A007882
- Triangle T(n,k) = P(n,k)/2, n >= 2, 1 <= k < n, of one-half of number of permutations of 1..n such that the differences have k runs with the same signs.at n=18A008970
- If a, b in sequence, so is a*b+2.at n=35A009299
- Coordination sequence T5 for Zeolite Code RUT.at n=20A009901
- Number of 5's in all the partitions of n into distinct parts.at n=46A015740
- Number of partitions of n into distinct parts, none being 5.at n=42A015750
- Numbers k such that phi(k) + 3 | sigma(k + 3).at n=44A015782
- Strobogrammatic numbers: numbers that are the same upside down (using calculator-style numerals).at n=38A018846
- Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite LEV = Levyne Ca9[Al18Si36O108].50H2O starting with a T1 atom.at n=4A019026
- Coordination sequence T5 for Zeolite Code CGF.at n=21A019455
- Numbers k such that the continued fraction for sqrt(k) has period 28.at n=8A020367
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly ten 1's.at n=40A020446