Properties of the Number -2657

Six Hundred Fifty-Seven

Basics

Value: -2658 → -2657 → -2656

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2657

Divisors: 1, 2657

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001100001

Octal: -5141

Duodecimal: -1655

Hexadecimal: -a61

Square: 7059649

Square Root: 51.54609587543949

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

G.f. A(x,y) satisfies: A(x,y) = x·y + 1/A(x,x·y), with A(0,y) = 1. A275760

Numerators of coefficients of polynomials arising from applying the complete Bell polynomials to k!B_k(x)/(k*(k-1)) with B_k(x) the Bernoulli polynomials. A276996

Initial members of prime triples (p, p+2, p+6). A22004

Numbers that are the sum of 2 positive 4th powers. A3336

Numbers k such that (14^k - 3^k)/11 is prime. A128029

Sum of 4th powers of digits of n. A55013

Primes of the form 16n+1. A94407

Prime numbers congruent to 1 modulo 16 representable by both x² + 32·y² and x² + 64·y². A325067

Quartan primes: primes of the form x⁴ + y⁴, x > 0, y > 0. A2645

Primes p such that 1 + product of primes up to p is prime. A5234