Properties of the Number 84253

Eighty-Four Thousand Two Hundred Fifty-Three

Basics

Value: 84252 → 84253 → 84254

Parity: odd

Prime: No

Previous Prime: 84247

Next Prime: 84263

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 × 6481

Divisors: 1, 13, 6481, 84253

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100100100011101

Octal: 244435

Duodecimal: 40911

Hexadecimal: 1491d

Square: 7098568009

Square Root: 290.26367323521555

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

a(n) = 7·a(n-1) - 3·a(n-2), with a(0)=0, a(1)=1. A190972

Primitive numbers n such that 1/n is in the Cantor set. A173793

A121153 \ A005836. A170830

Composites in base 10 that remain composite in exactly four bases b, 2 <= b <= 10, expansions interpreted as decimal numbers. A256354

Expansion of e.g.f. 1/(2 - exp(x) - x⁴). A352300

Denominators of continued fraction convergents to sqrt(866). A42673

Least primitive number k such that 1/k is in the Cantor set and the fraction 1/k has period n in base 3. A175174

Partial sums of orders of finite perfect groups (A060793). A121513

a(n) = a(n-1) + 3·a(n-2) if n is even, otherwise a(n) = 3·a(n-1) + a(n-2), a(0)=0, a(1)=1. A276288

a(n) is the denominator of the coefficient of z^2n-1 in the Maclaurin expansion of Sqrt[π]Erfi[z]. A84253