Properties of the Number 60690

Sixty Thousand Six Hundred Ninety

Basics

Value: 60689 → 60690 → 60691

Parity: even

Prime: No

Previous Prime: 60689

Next Prime: 60703

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 7 × 17 ²

Divisors: 1, 2, 3, 5, 6, 7, 10, 14, 15, 17

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110110100010010

Octal: 166422

Duodecimal: 2B156

Hexadecimal: ed12

Square: 3683276100

Square Root: 246.35340468522045

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

Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=12. A135197

a(n) = n²*(n+1)*(2·n+1)/3. A98077

The binary encoding (as a rooted planar tree) of each rooted planar binary tree. See A057123 for illustration. A57122

Expansion of e.g.f.: exp(t·x)/(1 - x/t - t² * x²). A158706

Number of partitions of 5n into exactly 4 parts. A256327

Square array A(n,k) = A388991(A388981(n, k)), read by descending antidiagonals. A388989

Numbers k such that A392858(k) divides k. A392613

Partial sums of n 3-spaced triangular numbers beginning with t(2), e.g., a(2) = t(2) + t(5) = 3 + 15 = 18. A85789

Number of (w,x,y,z) with all terms in {1,...,n} and |x-y|=|y-z|+1. A212680

a(n) = 6·n²*(2·n + 1). A190705