Properties of the Number 42447

Forty-Two Thousand Four Hundred Forty-Seven

Basics

Value: 42446 → 42447 → 42448

Parity: odd

Prime: No

Previous Prime: 42443

Next Prime: 42451

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 14149

Divisors: 1, 3, 14149, 42447

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111001111

Octal: 122717

Duodecimal: 20693

Hexadecimal: a5cf

Square: 1801747809

Square Root: 206.02669729916073

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

Convolved Fibonacci numbers. A1628

Bisection of Fibonacci triangle A037027: even-indexed members of column sequences of A037027 (not counting leading zeros). A60920

Number of distinct factorizations of 105·2ⁿ. A93802

Number of partitions p of n such that (maximal multiplicity of the parts of p) < (maximal part of p). A240310

Third column (m=2) of triangle A060920 (bisection of Fibonacci triangle, even part). A61178

Denominators of continued fraction convergents to sqrt(751). A42447