Properties of the Number 17402

Seventeen Thousand Four Hundred Two

Basics

Value: 17401 → 17402 → 17403

Parity: even

Prime: No

Previous Prime: 17401

Next Prime: 17417

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 11 × 113

Divisors: 1, 2, 7, 11, 14, 22, 77, 113, 154, 226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100001111111010

Octal: 41772

Duodecimal: A0A2

Hexadecimal: 43fa

Square: 302829604

Square Root: 131.91664034533324

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

Smallest even k such that the pair {k-3,k-1} is not a twin prime pair and lpf(k-1) > lpf(k-3) >= prime(n), where lpf = least prime factor (A020639). A242720

Smallest even number k such that lpf(k-3) = prime(n) while lpf(k-1) > lpf(k-3), where lpf=least prime factor (A020639). A242490

a(n) = 36·n² - n. A157286

a(n) = (sum of first n primes) * n. A167214

Triangle read by rows: T(n,k) is the number of up-down permutations of {1,2,...,n} having genus k (see first comment for definition of genus). A178516

Expansion of ∑_1<=i<=j q^i+j/( (1-qⁱ)*(1-q^j) )². A374929

a(n) = 144·n² - 2·n. A158135

a(n) = 484·n² - 22. A158627

Number of (w,x,y,z) with all terms in {0,...,n} and 2w-x=max{w,x,y,z}-min{w,x,y,z}. A212756

Number of partitions of n such that the least part occurs exactly (1/4)*(number of parts) times. A386361