Properties of the Number 42869

Forty-Two Thousand Eight Hundred Sixty-Nine

Basics

Value: 42868 → 42869 → 42870

Parity: odd

Prime: No

Previous Prime: 42863

Next Prime: 42899

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 163 × 263

Divisors: 1, 163, 263, 42869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1010011101110101

Octal: 123565

Duodecimal: 20985

Hexadecimal: a775

Square: 1837751161

Square Root: 207.04830354291724

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

Composite and every divisor (except 1) contains the digit 6. A62674

Golden semiprimes: a(n)=p·q and abs(p*φ-q)<1, where φ = golden ratio = (1+sqrt(5))/2. A108540

Breadth-first reading of the subtree rooted at 7 of the tree where each parent node is the arithmetic derivative (A003415) of all its children. A327977

Numbers k such that 27·2^k-1 is prime. A50539

Numbers n with following property: let c = nearest cube to n that is different from n and let p = nearest prime to n that is different from n. Then |n-c| = |n-p|. A163497

Composite numbers and 1 which yield a prime whenever a 3 is inserted anywhere in them (including at the beginning or end). A216166

Number of permutations of length n which avoid the patterns 2431, 4123, 4231. A116819

Denominators of continued fraction convergents to sqrt(966). A42869