Properties of the Number 81434

Eighty-One Thousand Four Hundred Thirty-Four

Basics

Value: 81433 → 81434 → 81435

Parity: even

Prime: No

Previous Prime: 81421

Next Prime: 81439

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 19 × 2143

Divisors: 1, 2, 19, 38, 2143, 4286, 40717, 81434

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011111000011010

Octal: 237032

Duodecimal: 3B162

Hexadecimal: 13e1a

Square: 6631496356

Square Root: 285.36643110218836

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

Numbers whose base-5 representation has exactly 8 runs. A43608

Number of twelve-prime Carmichael numbers less than 10ⁿ. A392847

Numbers such that RevBinary() = RevDecimal(), where RevDecimal(n) is the decimal reversal of n (A004086) and RevBinary(n) is the binary reversal of n (A030101). A81434