Properties of the Number 80863

Eighty Thousand Eight Hundred Sixty-Three

Basics

Value: 80862 → 80863 → 80864

Parity: odd

Prime: Yes

Previous Prime: 80849

Next Prime: 80897

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 80863

Divisors: 1, 80863

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011101111011111

Octal: 235737

Duodecimal: 3A967

Hexadecimal: 13bdf

Square: 6538824769

Square Root: 284.3642030917394

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 = 34, where q is the next prime after p. A134116

Primes of the form 14 n²-1. A143832

a(n) = 56·n² - 1. A158658

Number of equivalence classes of Dyck paths of semilength n for the consecutive pattern UDUDD, where U=(1,1) and D=(1,-1). A317639

Expansion of e.g.f. -exp(x·sqrt(1-2·x)). A362163

Number of binary rooted trees with n nodes and height exactly 7. A36596

Number of ways to arrange 2 nonattacking knights on the lower triangle of an n X n board. A194486

Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 11000-01100-00110-00011 pattern in any orientation. A147447

Numbers n such that spf(n)-2 = spf(n+2), where spf=A020639 (smallest prime factor). A80863