Properties of the Number 69340

Sixty-Nine Thousand Three Hundred Forty

Basics

Value: 69339 → 69340 → 69341

Parity: even

Prime: No

Previous Prime: 69337

Next Prime: 69341

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 3467

Divisors: 1, 2, 4, 5, 10, 20, 3467, 6934, 13868, 17335

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111011011100

Octal: 207334

Duodecimal: 34164

Hexadecimal: 10edc

Square: 4808035600

Square Root: 263.3248943795478

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Consider a non-palindromic number of k digits n = d_k*10^k-1 + d_k-1*10^k-2 + … + d₂*10 + d₁. Sequence lists the numbers n such that ∑_i=1..k-1{φ(∑_j=1..i{d_j*10^j-1})} = ∑_i=1..k-1{φ(∑_j=1..i{d_k-j+1*10^i-j})} (see example below). A241503

Numbers k such that (493·10^k - 7)/9 is prime. A275410

Number of 18 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner. A69340