Properties of the Number 3021

Three Thousand Twenty-One

Basics

Value: 3020 → 3021 → 3022

Parity: odd

Prime: No

Previous Prime: 3019

Next Prime: 3023

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 53

Divisors: 1, 3, 19, 53, 57, 159, 1007, 3021

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101111001101

Octal: 5715

Duodecimal: 18B9

Hexadecimal: bcd

Square: 9126441

Square Root: 54.96362433464518

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

Integers of the form m*(m + 7)/8. A274979

Triangle T by rows: second differences of Motzkin triangle (A026300), (i >= -1, -1<=j<=i). A26120

a(n) = (2·n+5)*(2·n+1). A78371

Numbers whose digits are a permutation of [0,...,n] and which contain the product of any two adjacent digits as a substring. A203569

Number of nonempty pairwise coprime subsets of {1,...,n}, where a single number is not considered to be pairwise coprime unless it is equal to 1. A320426

a(n) = n*(8·n+7). A139278

a(n) = a(n-1) + a(n-9) for n >= 9; a(n) = 1 for n=0..7; a(8) = 2. A5711

T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by one. A269494

Triangle T read by rows: matrix product of Pascal and Catalan triangle. A104259

Any two consecutive digits in the sequence sum up to a prime. A158652