Properties of the Number 30142

Thirty Thousand One Hundred Forty-Two

Basics

Value: 30141 → 30142 → 30143

Parity: even

Prime: No

Previous Prime: 30139

Next Prime: 30161

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 7 × 2153

Divisors: 1, 2, 7, 14, 2153, 4306, 15071, 30142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010110111110

Octal: 72676

Duodecimal: 1553A

Hexadecimal: 75be

Square: 908540164

Square Root: 173.6145155221763

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 triangular regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles. A324042

Number of non-isomorphic set multipartitions (multisets of sets) of weight n with empty intersection. A319748

Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: 1/(1 - 4·x - 3·x² + 6·x³). A180146

a(n) = A273059(4n+2). A275918

Number of non-isomorphic multiset partitions of weight n where the nonzero entries of the incidence matrix are all distinct. A321661

Number of partitions p of 2n-1 such that n - (number of parts of p) is a part of p. A238641

a(n)=9·a(n-1)-7·a(n-2), a(0)=1, a(1)=7 . A147839

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (0, 1, 1), (1, 0, 0), (1, 1, -1)}. A150258

Integers·such that [f(0), f(f(0)), ..., f(...f(0)...)] is a permutation of [0, 1, ..., k-1], where k is the number of digits in·and f(a) denotes the 0-based index of the first occurrence of the substring a in x. A307620

Number of cycles in the n-dipyramidal graph. A307621