Properties of the Number 42359

Forty-Two Thousand Three Hundred Fifty-Nine

Basics

Value: 42358 → 42359 → 42360

Parity: odd

Prime: Yes

Previous Prime: 42349

Next Prime: 42373

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 42359

Divisors: 1, 42359

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010101110111

Octal: 122567

Duodecimal: 2061B

Hexadecimal: a577

Square: 1794284881

Square Root: 205.813021939818

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 (n+2) X (k+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 1 2 4 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 1 2 4 6 or 7. A252558

Primes of the form 8·k-1 such that 4·k-1 and 16·k-1 are also primes. A101792

Primes of the form ∑_k=1..m (m^k mod (m+k)). A156557

Primes that remain prime through 3 iterations of function f(x) = 3x + 2. A23277

Primes p such that 2·p+1 and ((2·p+1)² + 1)/2 = p² + (p+1)² are primes. A98717

Indices of products of twin primes in the semiprimes. A131188

Primes p such that p³ +- (p+1) are primes. A137472

Prime p such that p⁵ + p³ + p - 4 and p⁵ + p³ + p + 4 are primes. A243900

Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 4 6 or 7. A252557

Number of (2+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 1, 2, 4, 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 1, 2, 4, 6 or 7. A252560