Properties of the Number 60021

Sixty Thousand Twenty-One

Basics

Value: 60020 → 60021 → 60022

Parity: odd

Prime: No

Previous Prime: 60017

Next Prime: 60029

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 13 × 19

Divisors: 1, 3, 9, 13, 19, 27, 39, 57, 81, 117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110101001110101

Octal: 165165

Duodecimal: 2A899

Hexadecimal: ea75

Square: 3602520441

Square Root: 244.99183659869158

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) = 100·n² + 100·n + 21. A152161

Decimal representation of the middle column of the "Rule 61" elementary cellular automaton starting with a single ON (black) cell. A266791

Triangle read by rows: T(n,k) is the number of noncrossing trees with n edges in which the maximal number of contiguous border edges starting from the root in both directions is equal to k. A102595

Expansion of b(q³)b(q²)²/(b(q)b(q⁶)²) in powers of q where b(q) is a cubic AGM function. A122831

a(n) = (8·n+3)*(8·n+7). A146301

a(n) = Number of times n occurs in A234742. A236853

Array read by antidiagonals: T(n,k) = number of primitive (period n) bracelets using a maximum of k different colored beads. A276550

Squarefree numbers k such that for all factorizations of k as x·y, the sum (x·y') + (x' * y) is carryless when the addition is done in the primorial base, A049345. Here n' stands for A003415(n), the arithmetic derivative of n. A380525

Maximal size of a subset of any Abelian group of order n that does not contain 0 and fails to span the group nontrivially. A60021