Properties of the Number 30163

Thirty Thousand One Hundred Sixty-Three

Basics

Value: 30162 → 30163 → 30164

Parity: odd

Prime: No

Previous Prime: 30161

Next Prime: 30169

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 31 × 139

Divisors: 1, 7, 31, 139, 217, 973, 4309, 30163

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111010111010011

Octal: 72723

Duodecimal: 15557

Hexadecimal: 75d3

Square: 909806569

Square Root: 173.67498380595865

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

Values·for records of the minima of the positive distance d between the ninth power of a positive integer·and the square of an integer y such that d = x⁹ - y² (x <> k² and y <> k⁹). A179791

Numbers k such that k² +/- (k-1) and (k-1)*k² +/- 1 are all primes. A239326

Number of vertices of even degree in a cubic lattice n X n X n. A383585

Sum of the areas of all r X s rectangles such that r + s = 2n, with r, s composite. A334229

Solutions·of 2·uphi(x)=x, where uphi is the unitary φ function (A047994). A30163

Numbers that are sums of 2,4,6,8 consecutive primes. A287900

Array read by antidiagonals upwards: A(n,k) is the number of nonequivalent positions in the KRvK endgame on an n X n chessboard with DTM (distance to mate) k, n >= 3, k >= 0. A358339