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Properties of the Number 16870

Sixteen Thousand Eight Hundred Seventy

Basics

Value: 16869 → 16870 → 16871

Parity: even

Prime: No

Previous Prime: 16843

Next Prime: 16871

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 7 × 241

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 241, 482

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100000111100110

Octal: 40746

Duodecimal: 991A

Hexadecimal: 41e6

Square: 284596900

Square Root: 129.88456413292536

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

Weird numbers: abundant (A005101) but not pseudoperfect (A005835). A6037
Unitary weird numbers: unitary abundant (A034683) but not unitary pseudoperfect (A293188). A64114
Sum of the smallest parts of the partitions of 4n into 4 parts. A238702
Bi-unitary weird numbers: bi-unitary abundant numbers (A292982) that are not bi-unitary pseudoperfect (A292985). A292986
Infinitary weird numbers: infinitary abundant numbers (A129656) that are not infinitary pseudoperfect numbers (A306983). A306984
T(n,k)=Number of nXk 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other. A201384
Number of non-isomorphic self-dual set multipartitions (multisets of sets) of weight n. A321403
Nonexponential weird numbers: nonexponential abundant numbers (A348604) that are not equal to the sum of any subset of their nonexponential divisors. A348631
T(n,k)=number of nXk binary matrices with floor((n·k)/2) 1's and rows and columns in lexicographically nondecreasing order. A180979
Number of independent vertex sets and vertex covers in the n X n queen graph. A287227