Properties of the Number 67223

Sixty-Seven Thousand Two Hundred Twenty-Three

Basics

Value: 67222 → 67223 → 67224

Parity: odd

Prime: No

Previous Prime: 67219

Next Prime: 67231

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 13 × 5171

Divisors: 1, 13, 5171, 67223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000011010010111

Octal: 203227

Duodecimal: 32A9B

Hexadecimal: 10697

Square: 4518931729

Square Root: 259.27398635420406

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

Numerators in expansion of (1-x)^-1/x/e. A55505

Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of some of the consecutive step patterns UUD, UDU, DUU (U=up, D=down); triangle T(n,k), n>=0, 0<=k<=max(0,n-3), read by rows. A231384

a(n) = denominator of b(n): b(n) = the minimum possible value for a continued fraction whose terms are a permutation of the terms of the simple continued fraction for H(n) = sum{k=1 to n} 1/k, the n-th harmonic number. A129085

Values of w(k) when w(k-2), w(k-1), and w(k) are all odd, where w is A336957. A338071

Numbers n such that σ (φ ( n ) ) = σ (σ (n ) ) where φ is Euler's totient and σ is the multiplicative sum-of-divisors function. A65556

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 641", based on the 5-celled von Neumann neighborhood. A273311

Number of n X n 0..15 matrices with all row and column sums equal. A67223