Properties of the Number 87978

Eighty-Seven Thousand Nine Hundred Seventy-Eight

Basics

Value: 87977 → 87978 → 87979

Parity: even

Prime: No

Previous Prime: 87977

Next Prime: 87991

Digit Sum: 39

Digital Root: 3

Palindrome: Yes

Factorization: 2 × 3 × 11 × 31 × 43

Divisors: 1, 2, 3, 6, 11, 22, 31, 33, 43, 62

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011110101010

Octal: 253652

Duodecimal: 42AB6

Hexadecimal: 157aa

Square: 7740128484

Square Root: 296.6108561735393

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

Integers that are Rhonda numbers to base 18. A255735

Palindromes that are the product of 5 distinct primes. A46395

Number of primitive (aperiodic) reversible string structures with n beads using a maximum of four different colors. A56333

Palindromes with exactly 5 distinct prime divisors. A373465

Denominators of continued fraction convergents to sqrt(566). A42085

Palindromic numbers which are also palindromic in their binary reflected Gray code representation. A281378

Smallest palindromic multiple of 11, sum of whose digits at some stage is equal to n. A83516

Consider all the Pythagorean triangles with perimeter A010814(n). Then a(n) is the sum of the areas of the squares on all of their sides. A334808

a(n) is the first term in a chain of at least n consecutive numbers, each having exactly m = 5 distinct prime factors. A87978