Properties of the Number 42849

Forty-Two Thousand Eight Hundred Forty-Nine

Basics

Value: 42848 → 42849 → 42850

Parity: odd

Prime: No

Previous Prime: 42841

Next Prime: 42853

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 23 ²

Divisors: 1, 3, 9, 23, 27, 69, 81, 207, 529, 621

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010011101100001

Octal: 123541

Duodecimal: 20969

Hexadecimal: a761

Square: 1836036801

Square Root: 207

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) = (6·n+3)². A16946

Largest square <= n³. A65733

Numbers with prime factorization p²*q⁴. A189988

a(n) = (11·n + 9)². A17498

Squares with initial digit '4'. A45787

Numbers with 15 divisors. A30633

Squares whose product of digits is also a nonzero square. A53059

Nearest integer square to n³. A77118

a(n) is least k such that k and k+n are adjacent nontrivial powers of positive integers, or 0 if no such k apparently exists. A23056

Numbers that are both lucky and square. A31162