Properties of the Number 1622

One Thousand Six Hundred Twenty-Two

Basics

Value: 1621 → 1622 → 1623

Parity: even

Prime: No

Previous Prime: 1621

Next Prime: 1627

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 811

Divisors: 1, 2, 811, 1622

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001010110

Octal: 3126

Duodecimal: B32

Hexadecimal: 656

Square: 2630884

Square Root: 40.27406113120453

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

a(0) = 1, a(n) = 5·n² + 2 for n>0. A10001

Number of partitions of n in which the sequence of frequencies of the summands is nonincreasing. A100882

a(n) = 2·n² + 6·n + 2. A90288

Numbers that are the sum of 8 successive primes. A127335

a(n) = floor(3/5·n²), with a(1)=1. A184535

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250769

One of the four successive approximations up to 13ⁿ for 13-adic integer 3^1/4. This is the 10 (mod 13) case (except for n = 0). A324083

Number of partitions of n into distinct parts, none being 2. A15744

Triangle T(n,k) by rows: number of ways k dominoes can be placed on an n X n chessboard, k>=0. A242861

T(n, m), numerators of coefficients in a power/Fourier series expansion of the plane pendulum's exact differential time dependence. A274076