Properties of the Number 15042

Fifteen Thousand Forty-Two

Basics

Value: 15041 → 15042 → 15043

Parity: even

Prime: No

Previous Prime: 15031

Next Prime: 15053

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 23 × 109

Divisors: 1, 2, 3, 6, 23, 46, 69, 109, 138, 218

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11101011000010

Octal: 35302

Duodecimal: 8856

Hexadecimal: 3ac2

Square: 226261764

Square Root: 122.64583156389784

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

Dana Scott's sequence: a(n) = (a(n-2) + a(n-1) * a(n-3)) / a(n-4), a(0) = a(1) = a(2) = a(3) = 1. A48736

Numbers k such that the centered triangular number A005448(k) = 3·k*(k-1)/2 + 1 is a perfect square. A129444

Indices of prime generalized tetranacci numbers, A073817. A104577

Number of (w,x,y,z) with all terms in {1,...,n} and 2·w*x>=3·y*z. A211923

a(n) = floor( n*(n-1)*(n-2)*(n-3)/28 ). A11938

Number of binary palindromes of length 2n+1 having no (7/3)+ powers. A279611

Setwise difference A340150 \ A340076. A340151

a(n) is the largest number t such that there exist numbers i,j,k such that, for all m <= t, there exist integers x,y,z with x·i + y·j + z·k = m and |x|+|y|+|z| <= n. A383579

Number of permutations of 4 indistinguishable copies of 1..n arranged in a circle with exactly 4 local maxima. A159730

Number of strictly increasing arrangements of 4 numbers in -(n+2)..(n+2) with sum zero. A188182