Properties of the Number 19933

Nineteen Thousand Nine Hundred Thirty-Three

Basics

Value: 19932 → 19933 → 19934

Parity: odd

Prime: No

Previous Prime: 19927

Next Prime: 19937

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 31 × 643

Divisors: 1, 31, 643, 19933

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100110111011101

Octal: 46735

Duodecimal: B651

Hexadecimal: 4ddd

Square: 397324489

Square Root: 141.18427674496903

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

Numbers k such that A361338(k) = 10. A361349

Sum of the 5th powers of the odd proper divisors of n. A352033

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A317896

Sum of 5th powers of proper divisors of n. A279364

Super-4 Numbers (4·n⁴ contains substring '4444' in its decimal expansion). A32744

Row 3 of array in A047666. A47667

Numbers k such that A000081(k) is divisible by k. A336039

a(n) = floor(n(n-1)(n-2)(n-3)/18). A11928

Number of nX3 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A317891

a(n) is the index of the least n-gonal number that is the sum of two or more consecutive nonzero n-gonal numbers in more than one way, or -1 if no such number exists. A360777