Properties of the Number 67347

Sixty-Seven Thousand Three Hundred Forty-Seven

Basics

Value: 67346 → 67347 → 67348

Parity: odd

Prime: No

Previous Prime: 67343

Next Prime: 67349

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 1069

Divisors: 1, 3, 7, 9, 21, 63, 1069, 3207, 7483, 9621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000011100010011

Octal: 203423

Duodecimal: 32B83

Hexadecimal: 10713

Square: 4535618409

Square Root: 259.5130054544473

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

Decimal representation of the n-th iteration of the "Rule 86" elementary cellular automaton starting with a single ON (black) cell. A265281

Number of maximal subsets of {1..n} containing n such that every subset has a different sum. A325867

Least k such that decimal representation of k·n contains only digits 0 and 3. A96682

Shorthand for A157035, the largest prime with 2ⁿ digits. A157036

Triangle read by rows: T(n,k) = (n-1-k)*abs(s(n,n+1-k)), where s(n,k) are the signed Stirling numbers of the first kind and 1 <= k <= n. A199220

a(n) = a(n-1)²/2 + 5/2, a(0) = 1. A232806

Volume of elliptic cone (rounded down) with semi-minor axis = height = n and semi-major axis = 3·n/2. A228391

Numbers k such that 285·2^k + 1 is prime. A53359

Number of maximal irredundant sets in the n-trapezohedral graph. A392238

Square array read by antidiagonals: T(n,k)=(T(n,k-1)*n²-Catalan(k-1)*n)/(n-1) with a(n,0)=1 and a(1,k)=Catalan(k) where Catalan(k)=C(2k,k)/(k+1)=A000108(k). A67347