Properties of the Number 51869

Fifty-One Thousand Eight Hundred Sixty-Nine

Basics

Value: 51868 → 51869 → 51870

Parity: odd

Prime: Yes

Previous Prime: 51859

Next Prime: 51871

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 51869

Divisors: 1, 51869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101010011101

Octal: 145235

Duodecimal: 26025

Hexadecimal: ca9d

Square: 2690393161

Square Root: 227.74766738651792

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

Number of partitions of n whose median is a part. A238478

Balanced primes (A090403) of index 3. A96707

Smallest prime q such that 2n+1 = p³ - 2q for some odd prime p, or 0 if no such prime exists. A224730

Least prime such that whenever 2·a(n) = p+q with p and q prime, one has p,q > prime(n). A185446

Number of multiples of n which have only distinct and nonzero digits in base 10. A328287

Smaller member of a twin prime pair with a triangular sum. A86816

Highly cototient numbers that are prime, or intersection of A000040 and A100827. A105440

Odd primes of the form (1+n)*(2+2·n)+n*(3+2·n) = 4·n²+7·n+2. A171749

Primes p such that p+2 is prime with prime(p+2)-prime(p)=6. A261533

Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A360519. A361106