698
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 23
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1050
- Proper Divisor Sum (Aliquot Sum)
- 352
- 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
- 348
- Möbius Function
- 1
- Radical
- 698
- 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
- 33
- 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
- sechshundertachtundneunzig· ordinal: sechshundertachtundneunzigste
- English
- six hundred ninety-eight· ordinal: six hundred ninety-eighth
- Spanish
- seiscientos noventa y ocho· ordinal: 698º
- French
- six cent quatre-vingt-dix-huit· ordinal: six cent quatre-vingt-dix-huitième
- Italian
- seicentonovantotto· ordinal: 698º
- Latin
- sescenti nonaginta octo· ordinal: 698.
- Portuguese
- seiscentos e noventa e oito· ordinal: 698º
Appears in sequences
- Numbers k such that 3^k, 3^(k+1) and 3^(k+2) have the same number of digits.at n=32A001682
- Numbers in which every digit contains at least one loop (version 1).at n=30A001743
- Numbers k such that 17*2^k - 1 is prime.at n=17A001774
- Generalized divisor function. Number of partitions of n with exactly three part sizes.at n=20A002134
- a(n) = 1000*log_10(n) rounded down.at n=4A004225
- Number of isonemal fabrics of period exactly n.at n=13A005441
- Coefficients of modular function denoted G_6(tau) by Atkin.at n=10A005764
- Coordination sequence T3 for Zeolite Code AFR.at n=20A008021
- Coordination sequence T4 for Zeolite Code AFR.at n=20A008022
- Coordination sequence T2 for Zeolite Code HEU.at n=17A008117
- Coordination sequence T2 for Coesite.at n=14A008268
- Expansion of (1+2*x^3+x^5)/((1-x)^2*(1-x^5)).at n=41A008823
- Coordination sequence T1 for Zeolite Code -WEN.at n=19A009862
- Coordination sequence T2 for Zeolite Code -WEN.at n=19A009863
- Coordination sequence T2 for Zeolite Code RTE.at n=18A009891
- Coordination sequence T3 for Zeolite Code RTE.at n=18A009892
- Coordination sequence for sigma-CrFe, Position Xb.at n=7A009960
- Numbers k such that the continued fraction for sqrt(k) has period 9.at n=8A010339
- f-vectors for simplicial complexes of dimension at most 1 (graphs) on at most n-1 vertices.at n=16A011826
- [ n(n-1)(n-2)(n-3)/17 ].at n=12A011927