Properties of the Number 15628

Fifteen Thousand Six Hundred Twenty-Eight

Basics

Value: 15627 → 15628 → 15629

Parity: even

Prime: No

Previous Prime: 15619

Next Prime: 15629

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 3907

Divisors: 1, 2, 4, 3907, 7814, 15628

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11110100001100

Octal: 36414

Duodecimal: 9064

Hexadecimal: 3d0c

Square: 244234384

Square Root: 125.01199942405529

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

Numbers that are the sum of 4 positive 6th powers. A3360

Numbers k which have a factorization k = f1·f2*...*fr where the digits of {k, f1, f2, ..., fr} together give 0,1,...,9 exactly once. A370970

a(n) = n³ + 3. A84378

Composite numbers with properties that its digits (which may appear with multiplicity) may not appear in any of its factors (wherein the digits may also appear with multiplicity) and the combined digits of the product and the factors must have at least one of each of the ten digits. A370972

Triangle read by rows, T(n, k) = A094088(n) * binomial(n, k). A362586

Numbers k which use half of the ten digits such that they have at least one factorization k=p·q that uses remaining half of the digits that are not in k. A195814

Numbers n = p·q, where n, p, and q together contain all 10 digits at least once. A253172

Like 4-white numbers but with blocks of 4 starting at left. A277397

a(n) = [xⁿ] (x⁵ + 5·x⁴ + 4·x³ - 3·x + 1)/((1 - x)*(x² + 2·x - 1)²). A361758

Numerators of continued fraction convergents to sqrt(319). A41602