Properties of the Number 12423

Twelve Thousand Four Hundred Twenty-Three

Basics

Value: 12422 → 12423 → 12424

Parity: odd

Prime: No

Previous Prime: 12421

Next Prime: 12433

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 41 × 101

Divisors: 1, 3, 41, 101, 123, 303, 4141, 12423

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000010000111

Octal: 30207

Duodecimal: 7233

Hexadecimal: 3087

Square: 154330929

Square Root: 111.45851246091524

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

Number of compositions into sums of cubes. A23358

3 times heptagonal numbers: a(n) = 3·n*(5·n-3)/2. A152773

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2. A275131

a(n) = number of steps to reach 0 when starting from k = (n³)-1 and repeatedly applying the map that replaces k with k - A055401(k), where A055401(k) = the number of positive cubes needed to sum to k using the greedy algorithm. A261228

Number of 1-2-3 trees with n edges and with thinning limbs. A124497

Number of length n+2 0..1 arrays with at most one downstep in every n consecutive neighbor pairs. A255993

Number of subsets of {1..n} whose elements have the same number of prime factors, counted with multiplicity. A339511

a(n) = ∑_{k=0..floor(n/3)} (-1)^k * binomial(2·n-5·k,n-3·k). A360212

a(n) = least integer that begins a run of exactly n consecutive integers that can be the hypotenuse of a Pythagorean triangle. A99799

Numbers k such that the k-th triangular number contains only digits {1,6,7}. A119141