Properties of the Number 41980

Forty-One Thousand Nine Hundred Eighty

Basics

Value: 41979 → 41980 → 41981

Parity: even

Prime: No

Previous Prime: 41969

Next Prime: 41981

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 2099

Divisors: 1, 2, 4, 5, 10, 20, 2099, 4198, 8396, 10495

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1010001111111100

Octal: 121774

Duodecimal: 20364

Hexadecimal: a3fc

Square: 1762320400

Square Root: 204.89021450523205

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) = prime(prime(prime(A028815(n) - 1) - 1) - 1) - 1. A141133

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock. A236651

Number of parts of the n-th subshell of the head of the last section of the set of partitions of any even integer >= 2n. A182992

Number of (w,x,y) with all terms in {0,...,n} and |w-x|+|x-y|+|y-w| ≠ w+x+y. A213485

Number of (n+1)X(2+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock. A236647

Number of (n+1)X(3+1) 0..2 arrays colored with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock. A236648

Numerators of continued fraction convergents to sqrt(513). A41980