Properties of the Number 97128

Ninety-Seven Thousand One Hundred Twenty-Eight

Basics

Value: 97127 → 97128 → 97129

Parity: even

Prime: No

Previous Prime: 97127

Next Prime: 97151

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 19 × 71

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 19

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10111101101101000

Octal: 275550

Duodecimal: 48260

Hexadecimal: 17b68

Square: 9433848384

Square Root: 311.65365391729324

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

φ(A033631(n)) {φ is the Euler totient function A000010}. A115620

Number of 6-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions. A187176

Number of n X 6 0..2 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 3. A239359

a(n) = 6·a(n-1)-8·a(n-2)-3 for n > 10; a(0)=753, a(1)=5043, a(2)=25779, a(3)=213003, a(4)=1687623, a(5)=18171219, a(6)=73344977, a(7)=769993485, a(8)=4480470831, a(9)=17582325855, a(10)=69524390079. A177423

Number of noncongruent n-dimensional integer-sided simplices with diameter 3. A97128

Integers with the same arithmetic mean for divisors and anti-divisors. A386935