Properties of the Number 49120

Forty-Nine Thousand One Hundred Twenty

Basics

Value: 49119 → 49120 → 49121

Parity: even

Prime: No

Previous Prime: 49117

Next Prime: 49121

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 5 × 307

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011111111100000

Octal: 137740

Duodecimal: 24514

Hexadecimal: bfe0

Square: 2412774400

Square Root: 221.6303228351211

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

Triangle T(n,k) = (2·n-k-1)*T(n-1,k-1) + (k+1)*T(n-1,k), with T(n,1) = T(n,n) = 1, 1 <= k <= n, read by rows. A156139

Smallest n-aspiring number. That is, a(n) = smallest k such that sⁿ(k) is perfect but s^n-1(k) is not, where s(k) is the sum of the aliquot parts of k and sⁱ means iterate s i times. A99771

Expansion of g.f.: x/((1-x²)⁵ - 1 + x). A123890

Number of partitions of n such that the largest part and the smallest part are relatively prime. A117087

Total number of adjacent node merge operations to turn a circular list of size n to a node. A309490

Row sums of triangle A049029. A49120

Beginning with the n-th prime, the number of successive times a new prime can be formed by prepending the smallest nonzero digit. A101115