Properties of the Number 66236

Sixty-Six Thousand Two Hundred Thirty-Six

Basics

Value: 66235 → 66236 → 66237

Parity: even

Prime: No

Previous Prime: 66221

Next Prime: 66239

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 29 × 571

Divisors: 1, 2, 4, 29, 58, 116, 571, 1142, 2284, 16559

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001010111100

Octal: 201274

Duodecimal: 323B8

Hexadecimal: 102bc

Square: 4387207696

Square Root: 257.36355608360714

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) = 1 + Sum(prime(i)*(2·i-1): 1<=i<=n). A83215

Number of n X 4 0..1 arrays with rows and columns lexicographically nondecreasing read forwards, and nonincreasing read backwards. A201371

Number of 5-card poker hands with deuces wild of 5-of-a-kind, royal flush, straight flush, 4-of-a-kind, full house, flush, straight, 3-of-a-kind, two pairs, one pair, no pair. A57695

Number of real (0,1) n X n matrices such that some eigenvalues are strictly complex. A98148

Numbers k such that the sum of digits of k^k is a square. A66236