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Properties of the Number 19464

Nineteen Thousand Four Hundred Sixty-Four

Basics

Value: 19463 → 19464 → 19465

Parity: even

Prime: No

Previous Prime: 19463

Next Prime: 19469

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 3 × 3 × 811

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 811, 1622

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100110000001000

Octal: 46010

Duodecimal: B320

Hexadecimal: 4c08

Square: 378847296

Square Root: 139.5134402127623

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

Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (4,n)-rectangular grid with k '1's and (4n-k) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other. A225812
Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (5,n)-rectangular grid with k '1's and (5n-k) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other. A228022
Number of partitions of 4n into 4 parts. A238340
Number of planted identity trees where non-root, non-leaf nodes an even distance from root are of degree 2. A7560
Numbers k that, when expressed in base 6 and then interpreted in base 8, give a multiple of k. A62937
a(n) = ∑k=0..floor(n/2) binomial(k+3,4·n-8·k+3). A390040
Number of partitions of 5n into exactly 4 parts. A256327
Number of partitions of 7n into exactly 4 parts. A256329
Number of partitions of n*(n-1)/2 into at most four parts. A274099
a(n) is the smallest k such that number of non-unitary prime divisors of central binomial coefficient, A000984(k) = C(2·k,k) equals n. A81393