Properties of the Number 89540

Eighty-Nine Thousand Five Hundred Forty

Basics

Value: 89539 → 89540 → 89541

Parity: even

Prime: No

Previous Prime: 89533

Next Prime: 89561

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 11 ² × 37

Divisors: 1, 2, 4, 5, 10, 11, 20, 22, 37, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110111000100

Octal: 256704

Duodecimal: 43998

Hexadecimal: 15dc4

Square: 8017411600

Square Root: 299.23235119217975

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

Lesser prime factor of semiprimes in A089539. A89540

Triangle defined by T(n,k) = ∑_j>=0 C(j+k, k) * C((j+k)*k, n-k) / 2^j+k+1, for n>=0, k = 0..n, as read by rows. A300280