Properties of the Number 1648

One Thousand Six Hundred Forty-Eight

Basics

Value: 1647 → 1648 → 1649

Parity: even

Prime: No

Previous Prime: 1637

Next Prime: 1657

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 103

Divisors: 1, 2, 4, 8, 16, 103, 206, 412, 824, 1648

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001110000

Octal: 3160

Duodecimal: B54

Hexadecimal: 670

Square: 2715904

Square Root: 40.59556626036888

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 strict integer partitions of n with integer median. A359907

Number of compositions of n such that every distinct consecutive subsequence has a different sum. A325676

Product of the 4th power of a prime (A030514) and a different prime (p⁴*q). A178739

a(n) = n*(3·n + 7)/2. A140090

Multiples of 16 containing a 16 in their decimal representation. A121036

Expansion of q^-1/4 * (η(q⁴) / η(q))² in powers of q. A1936

Numbers n such that Bernoulli number B_n has denominator 510. A271634

Numbers n such that 97 is the largest prime factor of n² - 1. A181470

Expansion of q^-1/4 * (η(q) * η(q⁴)² / η(q²)³)² in powers of q. A79006

Number of partitions of n³ into distinct cubes. A30272