Properties of the Number -20651

Twenty Thousand Six Hundred Fifty-One

Basics

Value: -20652 → -20651 → -20650

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 107 × 193

Divisors: 1, 107, 193, 20651

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000010101011

Octal: -50253

Duodecimal: -BB4B

Hexadecimal: -50ab

Square: 426463801

Square Root: 143.7045580348793

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

Numbers m such that A338038(m) = A338038(A004086(m)) where A004086(i) is i read backwards and A338038(i) is the sum of the primes and exponents in the prime factorization of i ignoring 1-exponents; palindromes and multiples of 10 are excluded. A338039

Numbers k such that both k and k+2 are de Polignac numbers (A006285). A330284

Brilliant numbers k such that 2k+1 is also brilliant. A85649

Numbers m such that d(1)¹ + d(2)² + ... + d(p)^k = d(1)! + d(2)! + ... + d(k)!, where d(i), i=1..k, are the digits of m. A342945