Properties of the Number 16128

Sixteen Thousand One Hundred Twenty-Eight

Basics

Value: 16127 → 16128 → 16129

Parity: even

Prime: No

Previous Prime: 16127

Next Prime: 16139

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁸ × 3 ² × 7

Divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11111100000000

Octal: 37400

Duodecimal: 9400

Hexadecimal: 3f00

Square: 260112384

Square Root: 126.99606293110035

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(n) = (prime(n)-1)*(prime(n)+1). A84920

11-almost primes (generalization of semiprimes). A69272

Octanacci numbers: a(0)=a(1)=...=a(6)=0, a(7)=1; for n >= 8, a(n) = ∑_i=1..8 a(n-i). A79262

Triangle read by rows: terms T(n,k) of a binomial decomposition of n as Sum(k=0..n)T(n,k). A244133

Order of the group SL(2,Z_n). A56

Expansion of ∏_k>=1 (1+x^k)^k³. A248882

Number of separable multisets of size n covering an initial interval of positive integers. A336103

a(n) = sinh(2·arccosh(n))² = 4·n²*(n² - 1). A173121

Coefficients in expansion of (E₄³/E₆²)^1/18. A299950

a(n) = n³*∏_{distinct primes p dividing n} (1+1/p³). A65959