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Properties of the Number 40920

Forty Thousand Nine Hundred Twenty

Basics

Value: 40919 → 40920 → 40921

Parity: even

Prime: No

Previous Prime: 40903

Next Prime: 40927

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 3 × 3 × 5 × 11 × 31

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001111111011000

Octal: 117730

Duodecimal: 1B820

Hexadecimal: 9fd8

Square: 1674446400

Square Root: 202.28692493584452

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

Binomial coefficient binomial(n,4) = n*(n-1)*(n-2)*(n-3)/24. A332
Number of intersections of diagonals in the interior of a regular n-gon. A6561
Sum of divisors of cubes. A175926
Number of interior points that are the intersections of exactly two chords in the configuration A006561(n). A292104
Binomial coefficients binomial(2·n-3,4). A53126
11-gonal (or hendecagonal) pyramidal numbers: a(n) = n*(n+1)*(3·n-2)/2. A7586
Triangle, read by rows, where T(n,k) = binomial(n*(n-1)/2 - k*(k-1)/2 + n-k+3, n-k). A107873
Numbers n such that the multiplicative group modulo n is the direct product of 6 cyclic groups. A272596
Perimeter s/6 (divided by 6) of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q2-p2, c=q2+p2, b=2·p*q, s=a+b+c, s-+1 are primes. A155176
Numbers with prime factorization pqrst3. A189984