Properties of the Number 84123

Eighty-Four Thousand One Hundred Twenty-Three

Basics

Value: 84122 → 84123 → 84124

Parity: odd

Prime: No

Previous Prime: 84121

Next Prime: 84127

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 719

Divisors: 1, 3, 9, 13, 39, 117, 719, 2157, 6471, 9347

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100010011011

Octal: 244233

Duodecimal: 40823

Hexadecimal: 1489b

Square: 7076679129

Square Root: 290.0396524615212

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

Palindromic numbers which are equal to a number n multiplied by the n-th prime. A84123

Numbers n for which 10ⁿ mod n = 2^k for some positive integer k. A293907