Properties of the Number 17121

Seventeen Thousand One Hundred Twenty-One

Basics

Value: 17120 → 17121 → 17122

Parity: odd

Prime: No

Previous Prime: 17117

Next Prime: 17123

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 439

Divisors: 1, 3, 13, 39, 439, 1317, 5707, 17121

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100001011100001

Octal: 41341

Duodecimal: 9AA9

Hexadecimal: 42e1

Square: 293128641

Square Root: 130.84723917607127

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 k such that k + sopfr(k) is a cube. A389862

Sequence A037093 shown in octal. A37098

Triangle read by rows: T(n,k) is the number of maximal chains in the poset of all k-ary words of length <= n, ordered by B covers A iff A_i <= B_i+k for all i in A and some k >= 0. A378588

High water marks for number of primes between prime(n)² and prime(n+1)². A380135

Consecutive states of the linear congruential pseudo-random number generator for Smalltalk-80 when started at 1. A384220

Numbers n such that in Collatz (3x+1) trajectory of n, the number of terms < n equals number of terms > n. A217731

Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254904

Number of sets of primes less than the n-th prime whose sum is the n-th prime. A334292

a(n) = (8·n + 4)⁹. A17121