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Properties of the Number 19493

Nineteen Thousand Four Hundred Ninety-Three

Basics

Value: 19492 → 19493 → 19494

Parity: odd

Prime: No

Previous Prime: 19489

Next Prime: 19501

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 101 × 193

Divisors: 1, 101, 193, 19493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100110000100101

Octal: 46045

Duodecimal: B345

Hexadecimal: 4c25

Square: 379977049

Square Root: 139.61733416735902

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 integer partitions of n containing all of their distinct multiplicities. A325705
Table T(n,k) by antidiagonals. T(n,k) is the number of primitive (=aperiodic) k-ary words (n,k >= 1) with length less than or equal to n which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet. A143327
Number of toothpicks after n stages of 3-D toothpick structure defined in Comments. A170876
Number of primitive (=aperiodic) 5-ary words with length less than or equal to n which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet. A320089
Integers k such that Euler(k, 1) is an integer multiple of Bernoulli(k + 1, 1). A342320
a(n) = 54·n2 - 1. A158656
One-third of the total number of edges formed after n points have been placed in general position on each edge of a triangle (as in A365929). A389626
Numbers n such that σ(n)2 - φ(n)2 is a perfect square. A57654
Number of permutations of length n which avoid the patterns 231, 3214, 4312. A116712
Number of active (ON, black) cells at stage 2n-1 of the two-dimensional cellular automaton defined by "Rule 494", based on the 5-celled von Neumann neighborhood. A272547