Properties of the Number 38880

Thirty-Eight Thousand Eight Hundred Eighty

Basics

Value: 38879 → 38880 → 38881

Parity: even

Prime: No

Previous Prime: 38873

Next Prime: 38891

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ⁵ × 5

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011111100000

Octal: 113740

Duodecimal: 1A600

Hexadecimal: 97e0

Square: 1511654400

Square Root: 197.1801207018598

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

Triangle read by rows: terms of a binomial decomposition of 1 as Sum(k=0..n)T(n,k). A244119

Triangle read by rows: coefficients T(n,k) of a binomial decomposition of n as Sum(k=0..n)T(n,k)*binomial(n,k). A244132

a(n) = ∑_k=0..2n (k+1) * A026519(n, k). A27266

a(n) = ∑_k=0..2n (k+1) * A026552(n, k). A27276

When expressed in base 2 and then interpreted in base 3, is a multiple of the original number. A62845

Number T(n,k) of permutations p of [n] such that |p(i+k) - p(i)| <> k for i in [n-k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A333706

Expansion of (1-x)/(1-6·x). A52934

Heinz numbers of Look-and-Say partitions without distinct multiplicities (non Wilf). A384006

a(n) = ∏_j=0..5 floor((n+j)/6). A8881

Numbers of form 5ⁱ*6^j, with i, j >= 0. A25622