Properties of the Number 10221

Ten Thousand Two Hundred Twenty-One

Basics

Value: 10220 → 10221 → 10222

Parity: odd

Prime: No

Previous Prime: 10211

Next Prime: 10223

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 3 × 3407

Divisors: 1, 3, 3407, 10221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111101101

Octal: 23755

Duodecimal: 5AB9

Hexadecimal: 27ed

Square: 104468841

Square Root: 101.09896141899777

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

Decimal value of the bitmap of active segments in 7-segment display of the number n, variant 2 ("abcdefg" scheme: bits represent segments in clockwise order). A234692

Number of Dyck paths of semilength n having no ascents of length 2. A102403

Integers k such that all the digits needed to write the consecutive nonnegative integers from 0 to k fill exactly a square (no holes, no overlaps). A158022

Smallest number of each digital type. A266946

Number of n-regular, N₀-weighted pseudographs on 2 vertices with total edge weight 9, up to isomorphism. A358249

a(n) is the maximal (or lazy) Pell representation of n using a ternary system of vectors. A352339

a(n) = 8·n² - 4·n - 3. A118057

Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k ascents of length 2. A102402

Primes in lunar arithmetic in base 3 written in base 3. A170806

Number of branching factorizations of the least integer of each prime signature (A025487). A366884