Properties of the Number 19699

Nineteen Thousand Six Hundred Ninety-Nine

Basics

Value: 19698 → 19699 → 19700

Parity: odd

Prime: Yes

Previous Prime: 19697

Next Prime: 19709

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 19699

Divisors: 1, 19699

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110011110011

Octal: 46363

Duodecimal: B497

Hexadecimal: 4cf3

Square: 388050601

Square Root: 140.35312607847393

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

Discriminants of imaginary quadratic fields with class number 25 (negated). A56987

Numbers that are the sum of 4 nonzero 4th powers in more than one way. A309763

Numbers that are the sum of four fourth powers in exactly two ways. A344193

Primes having only {1, 6, 9} as digits. A363023

Partial sums of A151791. A151792

Smallest odd prime not occurring in the numerator of any of the 2ⁿ subset sums generated from the set 1/1, 1/2, 1/3, ..., 1/n. A75227

Prime p1 of consecutive primes p1, p2, where p2-p1=10, and p1, p2 are in different centuries. A160500

Primes p such that 10p+1 divides 2^p-1. A188133

G.f. A(x) satisfies: A(x) = 1 + x·A(x/(1 - 3·x)) / (1 - 3·x)². A351757

Primes of the form a⁴ + b³ with b>0. A100271