Properties of the Number 30842

Thirty Thousand Eight Hundred Forty-Two

Basics

Value: 30841 → 30842 → 30843

Parity: even

Prime: No

Previous Prime: 30841

Next Prime: 30851

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 2203

Divisors: 1, 2, 7, 14, 2203, 4406, 15421, 30842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111100001111010

Octal: 74172

Duodecimal: 15A22

Hexadecimal: 787a

Square: 951228964

Square Root: 175.61890558820824

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 ways to place 5 nonattacking knights on a 5 X n board. A172214

Sum over all partitions of n into distinct parts of the bitwise XOR of the parts. A306925

Array read by antidiagonals: T(n,k) is the number of ways to place k nonattacking knights on an n X k board. A390160

Number of subsets of {1,2,3,...,n} that sum to 0 mod 17. A68038

Records in A224796. A224719

Number of twice-crossing partitions on n nodes. A287221

Decimal representation of the n-th iteration of the "Rule 75" elementary cellular automaton starting with a single ON (black) cell. A266894

Numbers n such that (6k-1) for k=n, n+1, n+2, n+3 are all primes with no primes of the form (6k+1) in between. A296011

Positions where number of periodic partitions increases. A59994

Number of nX8 binary arrays without the pattern 0 0 0 antidiagonally or horizontally. A188873