Properties of the Number 72427

Seventy-Two Thousand Four Hundred Twenty-Seven

Basics

Value: 72426 → 72427 → 72428

Parity: odd

Prime: No

Previous Prime: 72421

Next Prime: 72431

Digit Sum: 22

Digital Root: 4

Palindrome: Yes

Factorization: 23 × 47 × 67

Divisors: 1, 23, 47, 67, 1081, 1541, 3149, 72427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101011101011

Octal: 215353

Duodecimal: 35AB7

Hexadecimal: 11aeb

Square: 5245670329

Square Root: 269.1226486195467

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

Palindromes of the form 3n + 1 where n is also a palindrome: palindromes arising in A083829. A83830

Palindromic composite numbers starting with a digit 7. A222728

Similar to A374525, but for each starting matrix with a choice of whether to sort by columns or rows first, such that the total number of sorting steps for this matrix is minimized. A374526

Decimal part of a(n)^1/2 starts with n so that a(n)<a(n+1). A34067

Numbers n for which there is a unique k such that n = k + reverse(k). A72427