Properties of the Number 66429

Sixty-Six Thousand Four Hundred Twenty-Nine

Basics

Value: 66428 → 66429 → 66430

Parity: odd

Prime: No

Previous Prime: 66413

Next Prime: 66431

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 ² × 61

Divisors: 1, 3, 9, 11, 33, 61, 99, 121, 183, 363

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001101111101

Octal: 201575

Duodecimal: 32539

Hexadecimal: 1037d

Square: 4412812041

Square Root: 257.7382393049196

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

Number of integers from 1 to 10ⁿ-1 that lack 0 as a digit. A52386

Smallest positive multiple of n whose base 9 representation contains only 0's and 1's. A244960

a(n) = n⁵ + n⁴ + n³ + n² + n. A152031

a(n) = (2·n - 5)n². A15240

Least number of consecutive primes beginning with 2, the sum of which (A007504) exceeds eⁿ. A323361

a(n) = 61·n². A174333

Expansion of ∏_k>=0 1 / (1 - 3·x^{3^k}). A374626

Number of zerofree nonnegative integers <= n. A324161

a(n) = 7ⁿ mod n⁷. A66429