Properties of the Number 28629

Twenty-Eight Thousand Six Hundred Twenty-Nine

Basics

Value: 28628 → 28629 → 28630

Parity: odd

Prime: No

Previous Prime: 28627

Next Prime: 28631

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 3181

Divisors: 1, 3, 9, 3181, 9543, 28629

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111111010101

Octal: 67725

Duodecimal: 14699

Hexadecimal: 6fd5

Square: 819619641

Square Root: 169.2010638264429

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) = ∑_k=0..n p(k) where p(k) = number of partitions of k (A000041). A70

Number of palindromic partitions of n. A25065

T(n,k)=Number of (n+6)X(k+6) 0..1 matrices with each 7X7 subblock idempotent. A224588

Number of partitions of n into at most 9 parts. A8638

Number of partitions of n into 9 distinct and relatively prime parts. A341913

Numbers k that divide the (left) concatenation of all numbers <= k written in base 19 (most significant digit on left). A29488

Indices of primes in sequence defined by A(0) = 11, A(n) = 10·A(n-1) + 81 for n > 0. A56250

Number of (n+6)X8 0..1 matrices with each 7X7 subblock idempotent. A224582

Number of (n+6)X13 0..1 matrices with each 7X7 subblock idempotent. A224587

Numbers whose base-5 representation contains exactly three 0's and three 4's. A45217