Properties of the Number 72727

Seventy-Two Thousand Seven Hundred Twenty-Seven

Basics

Value: 72726 → 72727 → 72728

Parity: odd

Prime: Yes

Previous Prime: 72719

Next Prime: 72733

Digit Sum: 25

Digital Root: 7

Palindrome: Yes

Factorization: 72727

Divisors: 1, 72727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110000010111

Octal: 216027

Duodecimal: 36107

Hexadecimal: 11c17

Square: 5289216529

Square Root: 269.6794393349259

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

Undulating primes (digits alternate). A32758

Primes prime(k) for which A049076(k) = 5. A49081

Undulating palindromic primes: numbers that are prime, palindromic in base 10, and the digits alternate: ababab... with a ≠ b. A59758

Primes for which A049076 >= 4. A49090

Primes for which A049076(p) >= 5. A49203

Smallest palindromic prime containing exactly n 7's. A83978

Primes that contain digits 2 and 7 only. A20459

Primes having only {0, 2, 7} as digits. A261267

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

Primes having only {2, 7, 9} as digits. A261182