Properties of the Number 72127

Seventy-Two Thousand One Hundred Twenty-Seven

Basics

Value: 72126 → 72127 → 72128

Parity: odd

Prime: No

Previous Prime: 72109

Next Prime: 72139

Digit Sum: 19

Digital Root: 1

Palindrome: Yes

Factorization: 11 × 79 × 83

Divisors: 1, 11, 79, 83, 869, 913, 6557, 72127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100110111111

Octal: 214677

Duodecimal: 358A7

Hexadecimal: 119bf

Square: 5202304129

Square Root: 268.56470356321955

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

Palindromes of the form 6n + 1 where n is also a palindrome. palindromes arising in A083835. A83836

Coefficients in the expansion of 1/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = e - 1. A279590

Number of equivalence classes of pairs of complex Golay sequences of length n. A72127