Properties of the Number 42911

Forty-Two Thousand Nine Hundred Eleven

Basics

Value: 42910 → 42911 → 42912

Parity: odd

Prime: No

Previous Prime: 42901

Next Prime: 42923

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 11 × 47 × 83

Divisors: 1, 11, 47, 83, 517, 913, 3901, 42911

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011110011111

Octal: 123637

Duodecimal: 209BB

Hexadecimal: a79f

Square: 1841353921

Square Root: 207.14970432032965

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 ways of dividing n labeled items into labeled boxes with an equal number of items in each box. A61095

Smallest k>n such that n³+1 divides k·n²+1. A71568

Products of three distinct primes that form an arithmetic progression. A262723

Sum T(n,k) of multinomials M(n; λ), where λ ranges over all partitions of n into parts that form a set of size k; triangle T(n,k), n>=0, 0<=k<=A003056(n), read by rows. A327803

Number of third differences of arrays of length 5 of numbers in 0..n. A228261

Numbers·that are equal to lpf(x)*gpf(x)*(lpf(x)+gpf(x))/2, where lpf(x) < gpf(x) are the least and the greatest prime factors of x: A020639 and A006530. A307108

Smallest k such that the number kⁿ in its decimal representation has a prime number of copies of the digit d for each d from 0 through 9. A217051

Denominators of continued fraction convergents to sqrt(987). A42911