Properties of the Number 42308

Forty-Two Thousand Three Hundred Eight

Basics

Value: 42307 → 42308 → 42309

Parity: even

Prime: No

Previous Prime: 42307

Next Prime: 42323

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7 × 1511

Divisors: 1, 2, 4, 7, 14, 28, 1511, 3022, 6044, 10577

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010101000100

Octal: 122504

Duodecimal: 20598

Hexadecimal: a544

Square: 1789966864

Square Root: 205.68908575809266

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

T(n,k)=Number of length n+4 0..k arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two. A249001

T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order. A252811

Number of partitions of n into 10 or more distinct parts. A347577

The sequence c[n] defined in A126940. A126947

Number of length n+4 0..4 arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two. A248997

Number of length 3+4 0..n arrays with no five consecutive terms having two times the sum of any three elements equal to three times the sum of the remaining two. A249004

Number of (n+2)X(1+2) 0..4 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order. A252804

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 403", based on the 5-celled von Neumann neighborhood. A271809

Permanent of the n X n matrix with (j,k)-entry |j-k+1| (j,k = 1..n). A347768

Integers k such that A014841(k) = A014841(k+1). A356961