Properties of the Number 42473

Forty-Two Thousand Four Hundred Seventy-Three

Basics

Value: 42472 → 42473 → 42474

Parity: odd

Prime: Yes

Previous Prime: 42467

Next Prime: 42487

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 42473

Divisors: 1, 42473

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111101001

Octal: 122751

Duodecimal: 206B5

Hexadecimal: a5e9

Square: 1803955729

Square Root: 206.08978625831995

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

a(n) = prime((a(n-1) + 1)/2), a(1) = 21. A104297

Numbers k such that the k-th triangular number contains only digits {0,1,9}. A119048

Number of one-sided n-step prudent walks, avoiding 4 or more consecutive east steps. A190360

Primes of the form 2·n² + 62·n + 29. A243891

Primes with repdigit indices (in decimal). A258433

Primes of the form 3n² - 10. A201782

Denominators of continued fraction convergents to sqrt(764). A42473

Number of (n+1) X 5 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to the number of counterclockwise edge increases. A208488