Properties of the Number 15143

Fifteen Thousand One Hundred Forty-Three

Basics

Value: 15142 → 15143 → 15144

Parity: odd

Prime: No

Previous Prime: 15139

Next Prime: 15149

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 19 × 797

Divisors: 1, 19, 797, 15143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101100100111

Octal: 35447

Duodecimal: 891B

Hexadecimal: 3b27

Square: 229310449

Square Root: 123.05689740928787

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

Numbers whose square root in base 10 starts with 10 distinct digits. A113507

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 606", based on the 5-celled von Neumann neighborhood. A289891

a(n) = ∑_j=1..n ∑_k=1..n φ(j·k) / φ(k). A372636

Triangle of coefficients of polynomials u(n,x) jointly generated with A209576; see the Formula section. A209575

Numbers k such that sopf(k) = sopf(k² - 1), where sopf(k) = A008472(k). A64019

Numbers k such that 249·2^k+1 is prime. A32501

Number of n X 3 binary arrays with top left value 1 and no two ones adjacent horizontally, vertically, diagonally or antidiagonally. A228501

Number of walks within N² (the first quadrant of Z²) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, -1), (-1, 0), (0, -1), (0, 1), (1, 0)}. A151426

Triangle of (Gaussian) q-binomial coefficients for q=-18. A15143