Properties of the Number 19675

Nineteen Thousand Six Hundred Seventy-Five

Basics

Value: 19674 → 19675 → 19676

Parity: odd

Prime: No

Previous Prime: 19661

Next Prime: 19681

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 787

Divisors: 1, 5, 25, 787, 3935, 19675

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100110011011011

Octal: 46333

Duodecimal: B477

Hexadecimal: 4cdb

Square: 387105625

Square Root: 140.26760139105536

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

T(n,k)=Number of nXk 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally. A229372

Number of partitions p of n such that the number of numbers having multiplicity 1 in p is a part and the number of numbers having multiplicity > 1 is not a part. A241416

Monotonic ordering of nonnegative differences 3ⁱ-8^j, for 40>= i>=0, j>=0. A192155

Numerators of mass formula for connected vacuum graphs on 2n nodes for a φ³ field theory. A226260

Bitwise encoding of the state of a 1D cellular automaton after n steps from ...111000... where adjacent cells swap 01 <-> 10 when within triples 110 or 011. A359303

a(n) = 2ⁿ-n⁹. A24019

Denominators of continued fraction convergents to sqrt(991). A42919

a(n) = ( 2·n*(2·n² + 11·n + 26) - (-1)ⁿ + 1 )/16. A256666

a(n) = 3^n²-2ⁿ. A120799

Number of ways prime(n) can be expressed as the sum of distinct smaller noncomposites. A215966