Properties of the Number 33215

Thirty-Three Thousand Two Hundred Fifteen

Basics

Value: 33214 → 33215 → 33216

Parity: odd

Prime: No

Previous Prime: 33211

Next Prime: 33223

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 13 × 73

Divisors: 1, 5, 7, 13, 35, 65, 73, 91, 365, 455

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000000110111111

Octal: 100677

Duodecimal: 1727B

Hexadecimal: 81bf

Square: 1103236225

Square Root: 182.24982853215528

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

Apart from two leading terms (which are present by convention), denominators of convergents to π (A002485 and A046947 give numerators). A2486

Nearest integer to (n/2)⁴. A11863

a(n) = floor((n + 1/2)⁴). A219086

Decimal expansion of 104348 / 33215. A68089

Numbers k that divide the sum of digits of 13^k. A175525

Numbers n for which A324108(n) = A324054(n-1) and which are neither prime powers nor of the form 2ⁱ * p^j, where p is an odd prime, with either exponent i or j > 0. A324111

a(n) = ∑_i=0..n digsum₇(i)⁴, where digsum₇(i) = A053828(i). A231679

Denominators of convergents to π using best rational approximation whose denominator is between consecutive powers of 2: [2ⁿ, 2ⁿ⁺¹-1], where n = 0, 1, 2, ... A325159

a(n) = p(0,n), where p(x,n) is the strong divisibility sequence of polynomials based on sqrt(3) as in A327321. A329008

Numbers k such that ceiling(π/arctan(1/k)) = ceiling(k*π)+1. A332045