Properties of the Number 19553

Nineteen Thousand Five Hundred Fifty-Three

Basics

Value: 19552 → 19553 → 19554

Parity: odd

Prime: Yes

Previous Prime: 19543

Next Prime: 19559

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 19553

Divisors: 1, 19553

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110001100001

Octal: 46141

Duodecimal: B395

Hexadecimal: 4c61

Square: 382319809

Square Root: 139.83204210766573

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

Primes p such that q = p+d (with d >= 6) is the next prime and both p and q are Sophie Germain primes. A128825

Non-palindromic balanced primes. A256076

Numbers at the start of a run of 2 or more consecutive primes that are Sophie Germain primes. A339474

Numbers at the start of a run of exactly 2 consecutive primes that are Sophie Germain primes. A339475

Primes with all odd digits such that the next three primes also contain all odd digits. A68831

First of four consecutive primes p,q,r,s such that p+q+r+s is divisible by A001414(q+r). A352480

a(i) is a square mod a(j), i <> j; a(n) prime; a(1) = 2. A34902

Number of ordered triples (w,x,y) with all terms in {-n, ..., -1, 1, ..., n} and 5w + x + y > 0. A211630

Primes whose base-7 representation also is the base-3 representation of a prime. A235470

Numbers k such that the continued fraction for sqrt(k) has period 85. A20424