Properties of the Number 41989

Forty-One Thousand Nine Hundred Eighty-Nine

Basics

Value: 41988 → 41989 → 41990

Parity: odd

Prime: No

Previous Prime: 41983

Next Prime: 41999

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 199 × 211

Divisors: 1, 199, 211, 41989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010000000101

Octal: 122005

Duodecimal: 20371

Hexadecimal: a405

Square: 1763076121

Square Root: 204.9121763097547

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) = ∑_i=0..2·n ∑_j=0..i T(i, j), where T is given by A026552. A26567

Quasi-Carmichael numbers to exactly three bases. A257753

Sequence of pairwise relatively prime numbers of class P₃ (see comment). A275246

Number of h- and H-steps at level 0 in all lattice paths in B(n). A247300

Constant term in the expansion of (1+x+y+1/x+1/y)ⁿ without assuming commutativity. A328494

Products of two successive primes that can be partitioned in sum of three distinct primes which contain the prime divisors. A109068

Numbers k such that (14·10^k + 73)/3 is prime. A271340

Denominators of continued fraction convergents to sqrt(517). A41989