Properties of the Number 16625

Sixteen Thousand Six Hundred Twenty-Five

Basics

Value: 16624 → 16625 → 16626

Parity: odd

Prime: No

Previous Prime: 16619

Next Prime: 16631

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ³ × 7 × 19

Divisors: 1, 5, 7, 19, 25, 35, 95, 125, 133, 175

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100000011110001

Octal: 40361

Duodecimal: 9755

Hexadecimal: 40f1

Square: 276390625

Square Root: 128.93796958227628

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically. A253749

a(n) = n³ * ∑_{p∣n, p prime} 1/p³. A351242

T(n,k)=Number of nXk 0..6 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor. A203066

Magic sums of 3 X 3 semimagic squares composed of positive squares. A269061

A diagonal of A008296. A59302

Expansion of ∏_{k > 0} (1 + A147665(k)*x^k). A147871

Number of irredundant sets in the path graph P_n. A286887

Consider any concatenation of the type n = concat(a,b). Sequence lists numbers that are the sum of the products of some of such couples a and b. A265737

Primitive sliding numbers (excludes multiples of 10): totals, including repetitions, of sums r + s, r >= s, such that 1/r + 1/s = (r + s)/10^k for some k >= 0. A103184

Numbers k such that 2·prime(k)+1, 2·prime(k+1)+1 and 2·prime(k+2)-1 are also consecutive primes. A103851