Properties of the Number 51211

Fifty-One Thousand Two Hundred Eleven

Basics

Value: 51210 → 51211 → 51212

Parity: odd

Prime: No

Previous Prime: 51203

Next Prime: 51217

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 83 × 617

Divisors: 1, 83, 617, 51211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100000001011

Octal: 144013

Duodecimal: 25777

Hexadecimal: c80b

Square: 2622566521

Square Root: 226.29847546989794

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

Semiprimes for which both the sum and the product of the digits is also a semiprime. A118690

Numbers k such that k and k² use only the digits 1, 2, 5, 6 and 7. A137004

Numbers k such that k and k² use only the digits 1, 2, 5, 6 and 8. A137005

Numbers k such that k and k² use only the digits 1, 2, 5, 6 and 9. A137006

Numbers with digital product = 10. A199990

Semiprimes such that sum of digits equals product of digits. A272436

Numbers k such that k and k² use only the digits 1, 2, 4, 5 and 6. A136988

Numbers k such that k and k² use only the digits 1, 2, 5 and 6. A137003

Composite numbers whose product of digits is 10. A201057

Numbers k such that k + (sum of digits of k) and k + (product of digits of k) contain the same distinct digits of k. A248718