Properties of the Number 80652

Eighty Thousand Six Hundred Fifty-Two

Basics

Value: 80651 → 80652 → 80653

Parity: even

Prime: No

Previous Prime: 80651

Next Prime: 80657

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 11 × 13 × 47

Divisors: 1, 2, 3, 4, 6, 11, 12, 13, 22, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101100001100

Octal: 235414

Duodecimal: 3A810

Hexadecimal: 13b0c

Square: 6504745104

Square Root: 283.9929576591645

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

Number of partitions of {1,...,n} containing 3 strings of 3 consecutive integers such that only v-strings of consecutive integers can appear in a block, where v = 1,2,3. A105493

Unitary barely deficient numbers: unitary deficient numbers k such that usigma(k)/k > usigma(m)/m for all unitary deficient numbers m < k, where usigma(k) is the sum of the unitary divisors of k (A034448). A302572

Denominators of continued fraction convergents to sqrt(315). A41595

Number of binary strings of length n with equal numbers of 00000 and 11111 substrings. A164191

Numbers k such that A000712(k) is divisible by k. A304045

Triangle read by rows: T(n,k) = ∑_j=k..n binomial(n + j, n)*binomial(n, j)/(j + 1). A351385

a(1)=2; for n>1, a(n)=a(n-1)+3 if n is already in the sequence, a(n)=a(n-1)+2 otherwise. A80652