898
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 25
- Digital Root
- 7
- Palindromic Number
- yes
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1350
- Proper Divisor Sum (Aliquot Sum)
- 452
- 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
- 448
- Möbius Function
- 1
- Radical
- 898
- 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
- 116
- 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
- achthundertachtundneunzig· ordinal: achthundertachtundneunzigste
- English
- eight hundred ninety-eight· ordinal: eight hundred ninety-eighth
- Spanish
- ochocientos noventa y ocho· ordinal: 898º
- French
- huit cent quatre-vingt-dix-huit· ordinal: huit cent quatre-vingt-dix-huitième
- Italian
- ottocentonovantotto· ordinal: 898º
- Latin
- octingenti nonaginta octo· ordinal: 898.
- Portuguese
- oitocentos e noventa e oito· ordinal: 898º
Appears in sequences
- Numbers that are not the sum of 4 tetrahedral numbers.at n=44A000797
- a(n) = a(n-1) + a(n-2) with a(0)=2, a(1)=5. Sometimes called the Evangelist Sequence.at n=12A001060
- Related to Gilbreath conjecture.at n=16A001549
- Numbers in which every digit contains at least one loop (version 1).at n=46A001743
- The square sieve.at n=53A002960
- Numbers that are the sum of 4 nonzero 4th powers.at n=44A003338
- Numbers that are the sum of 9 positive 7th powers.at n=7A003376
- Sums of distinct nonzero 4th powers.at n=26A003999
- Numbers that are the sum of at most 9 positive 7th powers.at n=51A004871
- Number of points on surface of truncated tetrahedron: a(n) = 14*n^2 + 2 for n > 0, a(0)=1.at n=8A005905
- Cald's sequence: a(n+1) = a(n) - prime(n) if that value is positive and new, otherwise a(n) + prime(n) if new, otherwise 0; start with a(1)=1.at n=84A006509
- Number of 3rd-order maximal independent sets in cycle graph.at n=31A007387
- Coordination sequence T3 for Zeolite Code AFS and BPH.at n=23A008025
- Coordination sequence T2 for Zeolite Code DAC.at n=19A008068
- Coordination sequence T8 for Zeolite Code MFI.at n=19A008171
- a(n) = n^2 - 2.at n=29A008865
- Coordination sequence T4 for Zeolite Code iRON.at n=22A009884
- Coordination sequence T5 for Zeolite Code VET.at n=18A009906
- Coordination sequence T1 for Zeolite Code ZON.at n=21A009919
- Coordination sequence for alpha-Mn, Position Mn3.at n=8A009952