Properties of the Number 42223

Forty-Two Thousand Two Hundred Twenty-Three

Basics

Value: 42222 → 42223 → 42224

Parity: odd

Prime: Yes

Previous Prime: 42221

Next Prime: 42227

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 42223

Divisors: 1, 42223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010011101111

Octal: 122357

Duodecimal: 20527

Hexadecimal: a4ef

Square: 1782781729

Square Root: 205.4823593401633

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

Prime numbers containing the string 222. A166580

Primes having only {2, 3, 4} as digits. A199342

Second term of weak prime sextet: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3). A54829

Numerators of n-th approximation of factorial (also called harmonic) expansion of π. A131445

Prime numbers of the form A385986(1) + ... + A385986(k) for some k > 0. A385987

Number of strings of numbers x(i=1..6) in 0..n with sum i²*x(i)² equal to n²*36. A184244

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 621", based on the 5-celled von Neumann neighborhood. A273268

Largest prime of the set of five consecutive primes whose sum of digits is a set of five distinct primes. A106815

Primes such that the outer 2 digits are n and n-1 and all inner digits are 2, where 0 < n < 9. A108830

Denominators of continued fraction convergents to sqrt(637). A42223