Properties of the Number 72623

Seventy-Two Thousand Six Hundred Twenty-Three

Basics

Value: 72622 → 72623 → 72624

Parity: odd

Prime: Yes

Previous Prime: 72617

Next Prime: 72643

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 72623

Divisors: 1, 72623

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001101110101111

Octal: 215657

Duodecimal: 3603B

Hexadecimal: 11baf

Square: 5274100129

Square Root: 269.486548829436

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

Numerator of ∑_i=1..n 1/(i·C(2·i,i)). A112099

Numerators of partial sums for a series for 2*π*sqrt(3)/9. A130553

Denominator of ∑_i=1..n 1/(i·C(2·i,i)). A112100

Numbers n such that A065863(n) = 1, i.e., prime(n) mod (n - π(n)) = 1. A72623